1147989924 has 27 divisors (see below), whose sum is σ = 2902377387. Its totient is φ = 382595544.

The previous prime is 1147989901. The next prime is 1147989949. The reversal of 1147989924 is 4299897411.

The square root of 1147989924 is 33882.

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

1147989924 is a `hidden beast` number, since 1 + 1 + 479 + 89 + 92 + 4 = 666.

1147989924 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 200469 + ... + 206115.

Almost surely, 2^1147989924 is an apocalyptic number.

1147989924 is the 33882-nd square number.

It is an amenable number.

1147989924 is an abundant number, since it is smaller than the sum of its proper divisors (1754387463).

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

1147989924 is an frugal number, since it uses more digits than its factorization.

1147989924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11304 (or 5652 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The cubic root of 1147989924 is about 1047.0787810551.

The spelling of 1147989924 in words is "one billion, one hundred forty-seven million, nine hundred eighty-nine thousand, nine hundred twenty-four".