1056561060 has 48 divisors (see below), whose sum is σ = 3060388800. Its totient is φ = 272033664.

The previous prime is 1056561059. The next prime is 1056561061. The reversal of 1056561060 is 601656501.

It is an interprime number because it is at equal distance from previous prime (1056561059) and next prime (1056561061).

It is a super-2 number, since 2×1056561060² = 2232642547016647200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1056561061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301870 + ... + 305349.

It is an arithmetic number, because the mean of its divisors is an integer number (63758100).

Almost surely, 2^1056561060 is an apocalyptic number.

1056561060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056561060 is an abundant number, since it is smaller than the sum of its proper divisors (2003827740).

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

1056561060 is a wasteful number, since it uses less digits than its factorization.

1056561060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607260 (or 607258 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1056561060 is about 32504.7851861845. The cubic root of 1056561060 is about 1018.5089903238.

The spelling of 1056561060 in words is "one billion, fifty-six million, five hundred sixty-one thousand, sixty".