1057869250 has 64 divisors (see below), whose sum is σ = 2075673600. Its totient is φ = 403166400.

The previous prime is 1057869247. The next prime is 1057869271. The reversal of 1057869250 is 529687501.

It is a super-2 number, since 2×1057869250² = 2238174700191125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057869197 and 1057869206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571827 + ... + 573673.

It is an arithmetic number, because the mean of its divisors is an integer number (32432400).

Almost surely, 2^1057869250 is an apocalyptic number.

1057869250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057869250 is a deficient number, since it is larger than the sum of its proper divisors (1017804350).

1057869250 is a wasteful number, since it uses less digits than its factorization.

1057869250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1057869250 is about 32524.9019983151. The cubic root of 1057869250 is about 1018.9291754557.

The spelling of 1057869250 in words is "one billion, fifty-seven million, eight hundred sixty-nine thousand, two hundred fifty".