120055055 has 16 divisors (see below), whose sum is σ = 150626304. Its totient is φ = 91687200.

The previous prime is 120055043. The next prime is 120055063. The reversal of 120055055 is 550550021.

It is not a de Polignac number, because 120055055 - 2²² = 115860751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120055055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103730 + ... + 104880.

It is an arithmetic number, because the mean of its divisors is an integer number (9414144).

Almost surely, 2^120055055 is an apocalyptic number.

120055055 is a deficient number, since it is larger than the sum of its proper divisors (30571249).

120055055 is a wasteful number, since it uses less digits than its factorization.

120055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 120055055 is about 10956.9637673947. The cubic root of 120055055 is about 493.3178351697.

The spelling of 120055055 in words is "one hundred twenty million, fifty-five thousand, fifty-five".