1057994975 has 6 divisors (see below), whose sum is σ = 1311913800. Its totient is φ = 846395960.

The previous prime is 1057994911. The next prime is 1057994981. The reversal of 1057994975 is 5794997501.

It is not a de Polignac number, because 1057994975 - 2⁶ = 1057994911 is a prime.

It is a super-2 number, since 2×1057994975² = 2238706734250501250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057994975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21159875 + ... + 21159924.

It is an arithmetic number, because the mean of its divisors is an integer number (218652300).

Almost surely, 2^1057994975 is an apocalyptic number.

1057994975 is a deficient number, since it is larger than the sum of its proper divisors (253918825).

1057994975 is an equidigital number, since it uses as much as digits as its factorization.

1057994975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42319809 (or 42319804 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 56.

The square root of 1057994975 is about 32526.8346907596. The cubic root of 1057994975 is about 1018.9695395479.

The spelling of 1057994975 in words is "one billion, fifty-seven million, nine hundred ninety-four thousand, nine hundred seventy-five".