1057976428 has 12 divisors (see below), whose sum is σ = 1851949512. Its totient is φ = 528848000.

The previous prime is 1057976417. The next prime is 1057976459. The reversal of 1057976428 is 8246797501.

It is a super-2 number, since 2×1057976428² = 2238628244407278368, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 17050 + ... + 49057.

It is an arithmetic number, because the mean of its divisors is an integer number (154329126).

Almost surely, 2^1057976428 is an apocalyptic number.

It is an amenable number.

1057976428 is a deficient number, since it is larger than the sum of its proper divisors (793973084).

1057976428 is a wasteful number, since it uses less digits than its factorization.

1057976428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70112 (or 70110 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 1057976428 is about 32526.5495864532. The cubic root of 1057976428 is about 1018.9635852227.

It can be divided in two parts, 105797 and 6428, that added together give a square (112225 = 335²).

The spelling of 1057976428 in words is "one billion, fifty-seven million, nine hundred seventy-six thousand, four hundred twenty-eight".