1239984694116 has 81 divisors (see below), whose sum is σ = 3646282997721. Its totient is φ = 354267978624.

The previous prime is 1239984694063. The next prime is 1239984694181. The reversal of 1239984694116 is 6114964899321.

The square root of 1239984694116 is 1113546.

It is a perfect power (a square), and thus also a powerful number.

1239984694116 is a `hidden beast` number, since 1 + 2 + 39 + 98 + 469 + 41 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 214415302500 + 1025569391616 = 463050^2 + 1012704^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 46755676 + ... + 46782188.

Almost surely, 2^{1239984694116} is an apocalyptic number.

1239984694116 is the 1113546-th square number.

It is an amenable number.

1239984694116 is an abundant number, since it is smaller than the sum of its proper divisors (2406298303605).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1239984694116 is an frugal number, since it uses more digits than its factorization.

1239984694116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53050 (or 26525 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The spelling of 1239984694116 in words is "one trillion, two hundred thirty-nine billion, nine hundred eighty-four million, six hundred ninety-four thousand, one hundred sixteen".