1056814642 has 16 divisors (see below), whose sum is σ = 1708602840. Its totient is φ = 487348992.

The previous prime is 1056814621. The next prime is 1056814657. The reversal of 1056814642 is 2464186501.

It can be written as a sum of positive squares in 4 ways, for example, as 983386881 + 73427761 = 31359^2 + 8569^2 .

It is a super-2 number, since 2×1056814642² = 2233714375091176328, which contains 22 as substring.

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, 15418 + ... + 48490.

Almost surely, 2^1056814642 is an apocalyptic number.

1056814642 is a deficient number, since it is larger than the sum of its proper divisors (651788198).

1056814642 is a wasteful number, since it uses less digits than its factorization.

1056814642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34317.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1056814642 is about 32508.6856393795. The cubic root of 1056814642 is about 1018.5904668854.

The spelling of 1056814642 in words is "one billion, fifty-six million, eight hundred fourteen thousand, six hundred forty-two".