1056072120 has 64 divisors (see below), whose sum is σ = 3277476000. Its totient is φ = 271907328.

The previous prime is 1056072107. The next prime is 1056072139. The reversal of 1056072120 is 212706501.

It is a super-2 number, since 2×1056072120² = 2230576645282588800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 148255 + ... + 155214.

Almost surely, 2^1056072120 is an apocalyptic number.

1056072120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056072120 is an abundant number, since it is smaller than the sum of its proper divisors (2221403880).

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

1056072120 is a wasteful number, since it uses less digits than its factorization.

1056072120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303512 (or 303508 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1056072120 is about 32497.2632693893. The cubic root of 1056072120 is about 1018.3518558107.

Adding to 1056072120 its reverse (212706501), we get a palindrome (1268778621).

The spelling of 1056072120 in words is "one billion, fifty-six million, seventy-two thousand, one hundred twenty".