120656055 has 48 divisors (see below), whose sum is σ = 220951584. Its totient is φ = 55879680.

The previous prime is 120656047. The next prime is 120656057. The reversal of 120656055 is 550656021.

It is not a de Polignac number, because 120656055 - 2³ = 120656047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120656057) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 55285 + ... + 57425.

It is an arithmetic number, because the mean of its divisors is an integer number (4603158).

Almost surely, 2^120656055 is an apocalyptic number.

120656055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120656055 is a deficient number, since it is larger than the sum of its proper divisors (100295529).

120656055 is a wasteful number, since it uses less digits than its factorization.

120656055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 120656055 is about 10984.3550106504. The cubic root of 120656055 is about 494.1396543861.

The spelling of 120656055 in words is "one hundred twenty million, six hundred fifty-six thousand, fifty-five".