1056770920 has 16 divisors (see below), whose sum is σ = 2377734660. Its totient is φ = 422708352.

The previous prime is 1056770917. The next prime is 1056770927. The reversal of 1056770920 is 290776501.

It can be written as a sum of positive squares in 2 ways, for example, as 1043419204 + 13351716 = 32302^2 + 3654^2 .

It is a super-2 number, since 2×1056770920² = 2233529554715292800, 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 1056770920.

It is not an unprimeable number, because it can be changed into a prime (1056770927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13209597 + ... + 13209676.

Almost surely, 2^1056770920 is an apocalyptic number.

1056770920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056770920 is an abundant number, since it is smaller than the sum of its proper divisors (1320963740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056770920 is a wasteful number, since it uses less digits than its factorization.

1056770920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26419284 (or 26419280 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1056770920 is about 32508.0131659872. The cubic root of 1056770920 is about 1018.5764198221.

The spelling of 1056770920 in words is "one billion, fifty-six million, seven hundred seventy thousand, nine hundred twenty".