var app = angular.module('plunker', ['ng-currency']);

app.controller('MainCtrl', function($scope) {
  $scope.testModel = 123456.78;
});
<!DOCTYPE html>
<html ng-app="plunker">

<head>
  <meta charset="utf-8" />
  <title>AngularJS Plunker</title>
  <script>
    document.write('<base href="' + document.location + '" />');
  </script>
  <link rel="stylesheet" href="style.css" />
  <script src="https://code.angularjs.org/1.4.3/angular.js"></script>
  <script src="https://rawgit.com/aguirrel/ng-currency/master/src/ng-currency.js"></script>

  <!-- PLEASE CHANGE AS YOU WISH THIS LOCALE JS -->
  <script src="https://code.angularjs.org/1.4.3/i18n/angular-locale_es-ar.js"></script>

  <script src="app.js"></script>
</head>

<body ng-controller="MainCtrl">
  <input type="text" ng-model="testModel" ng-currency>(autoformat on blur!)
  <p>model value: {{testModel}}</p>
</body>

</html>
/* Put your css in here */