120618756 has 36 divisors (see below), whose sum is σ = 306738432. Its totient is φ = 39963504.

The previous prime is 120618749. The next prime is 120618767. The reversal of 120618756 is 657816021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 120618756.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4020 + ... + 16043.

It is an arithmetic number, because the mean of its divisors is an integer number (8520512).

Almost surely, 2^120618756 is an apocalyptic number.

It is an amenable number.

120618756 is an abundant number, since it is smaller than the sum of its proper divisors (186119676).

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

120618756 is a wasteful number, since it uses less digits than its factorization.

120618756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20240 (or 20235 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 120618756 is about 10982.6570555581. The cubic root of 120618756 is about 494.0887305307.

The spelling of 120618756 in words is "one hundred twenty million, six hundred eighteen thousand, seven hundred fifty-six".