120155153 has 4 divisors (see below), whose sum is σ = 121801188. Its totient is φ = 118509120.

The previous prime is 120155117. The next prime is 120155173. The reversal of 120155153 is 351551021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73136704 + 47018449 = 8552^2 + 6857^2 .

It is a cyclic number.

It is not a de Polignac number, because 120155153 - 2⁶ = 120155089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120155173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822908 + ... + 823053.

It is an arithmetic number, because the mean of its divisors is an integer number (30450297).

Almost surely, 2^120155153 is an apocalyptic number.

It is an amenable number.

120155153 is a deficient number, since it is larger than the sum of its proper divisors (1646035).

120155153 is an equidigital number, since it uses as much as digits as its factorization.

120155153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646034.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 120155153 is about 10961.5305956787. The cubic root of 120155153 is about 493.4549012049.

The spelling of 120155153 in words is "one hundred twenty million, one hundred fifty-five thousand, one hundred fifty-three".