1057257152 has 28 divisors (see below), whose sum is σ = 2397709200. Its totient is φ = 453110016.

The previous prime is 1057257083. The next prime is 1057257181. The reversal of 1057257152 is 2517527501.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×1057257152² = 2235585370910302208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179527 + ... + 1180422.

Almost surely, 2^1057257152 is an apocalyptic number.

It is an amenable number.

1057257152 is an abundant number, since it is smaller than the sum of its proper divisors (1340452048).

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

1057257152 is an equidigital number, since it uses as much as digits as its factorization.

1057257152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359968 (or 2359958 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 1057257152 is about 32515.4909543128. The cubic root of 1057257152 is about 1018.7326152980.

The spelling of 1057257152 in words is "one billion, fifty-seven million, two hundred fifty-seven thousand, one hundred fifty-two".