1055197928 has 32 divisors (see below), whose sum is σ = 1996881600. Its totient is φ = 522713088.

The previous prime is 1055197909. The next prime is 1055197943. The reversal of 1055197928 is 8297915501.

It is a happy number.

It is a super-2 number, since 2×1055197928² = 2226885334510986368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914600 + ... + 915752.

It is an arithmetic number, because the mean of its divisors is an integer number (62402550).

Almost surely, 2^1055197928 is an apocalyptic number.

It is an amenable number.

1055197928 is a deficient number, since it is larger than the sum of its proper divisors (941683672).

1055197928 is a wasteful number, since it uses less digits than its factorization.

1055197928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 47.

The square root of 1055197928 is about 32483.8102444895. The cubic root of 1055197928 is about 1018.0707888961.

The spelling of 1055197928 in words is "one billion, fifty-five million, one hundred ninety-seven thousand, nine hundred twenty-eight".