1120864087 has 32 divisors (see below), whose sum is σ = 1335398400. Its totient is φ = 921068928.

The previous prime is 1120864067. The next prime is 1120864139. The reversal of 1120864087 is 7804680211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120864087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120864057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4894489 + ... + 4894717.

It is an arithmetic number, because the mean of its divisors is an integer number (41731200).

Almost surely, 2^1120864087 is an apocalyptic number.

1120864087 is a deficient number, since it is larger than the sum of its proper divisors (214534313).

1120864087 is a wasteful number, since it uses less digits than its factorization.

1120864087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1120864087 is about 33479.3083411232. The cubic root of 1120864087 is about 1038.7658211612.

The spelling of 1120864087 in words is "one billion, one hundred twenty million, eight hundred sixty-four thousand, eighty-seven".