1056940928 has 16 divisors (see below), whose sum is σ = 2105624760. Its totient is φ = 528470400.

The previous prime is 1056940909. The next prime is 1056940979. The reversal of 1056940928 is 8290496501.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1056940928² = 2234248250563002368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4128548 + ... + 4128803.

Almost surely, 2^1056940928 is an apocalyptic number.

It is an amenable number.

1056940928 is a deficient number, since it is larger than the sum of its proper divisors (1048683832).

1056940928 is an frugal number, since it uses more digits than its factorization.

1056940928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257365 (or 8257353 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1056940928 is about 32510.6279238036. The cubic root of 1056940928 is about 1018.6310380468.

The spelling of 1056940928 in words is "one billion, fifty-six million, nine hundred forty thousand, nine hundred twenty-eight".