1012957928 has 32 divisors (see below), whose sum is σ = 1943099400. Its totient is φ = 494926848.

The previous prime is 1012957901. The next prime is 1012957949. The reversal of 1012957928 is 8297592101.

It is a happy number.

It is a Cunningham number, because it is equal to 31827²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 1005016804 + 7941124 = 31702^2 + 2818^2 .

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, 55700 + ... + 71612.

Almost surely, 2^1012957928 is an apocalyptic number.

It is an amenable number.

1012957928 is a deficient number, since it is larger than the sum of its proper divisors (930141472).

1012957928 is a wasteful number, since it uses less digits than its factorization.

1012957928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16101 (or 16097 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1012957928 is about 31826.9999842901. Note that the first 4 decimals coincide. The cubic root of 1012957928 is about 1004.3007860558.

The spelling of 1012957928 in words is "one billion, twelve million, nine hundred fifty-seven thousand, nine hundred twenty-eight".