1120072056 has 32 divisors (see below), whose sum is σ = 2801011200. Its totient is φ = 373246560.

The previous prime is 1120072043. The next prime is 1120072091. The reversal of 1120072056 is 6502700211.

It is a super-2 number, since 2×1120072056² = 2509122821264134272, 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134955 + ... + 143013.

It is an arithmetic number, because the mean of its divisors is an integer number (87531600).

Almost surely, 2^1120072056 is an apocalyptic number.

It is an amenable number.

1120072056 is an abundant number, since it is smaller than the sum of its proper divisors (1680939144).

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

1120072056 is a wasteful number, since it uses less digits than its factorization.

1120072056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13859 (or 13855 counting only the distinct ones).

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

The square root of 1120072056 is about 33467.4775864570. The cubic root of 1120072056 is about 1038.5210907471.

Adding to 1120072056 its reverse (6502700211), we get a palindrome (7622772267).

The spelling of 1120072056 in words is "one billion, one hundred twenty million, seventy-two thousand, fifty-six".