1056811612 has 24 divisors (see below), whose sum is σ = 1900836000. Its totient is φ = 513737280.

The previous prime is 1056811603. The next prime is 1056811619. The reversal of 1056811612 is 2161186501.

It is a super-2 number, since 2×1056811612² = 2233701566516077088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056811619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350889 + ... + 353887.

It is an arithmetic number, because the mean of its divisors is an integer number (79201500).

Almost surely, 2^1056811612 is an apocalyptic number.

It is an amenable number.

1056811612 is a deficient number, since it is larger than the sum of its proper divisors (844024388).

1056811612 is a wasteful number, since it uses less digits than its factorization.

1056811612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1056811612 is about 32508.6390364162. The cubic root of 1056811612 is about 1018.5894934154.

The spelling of 1056811612 in words is "one billion, fifty-six million, eight hundred eleven thousand, six hundred twelve".