120155244 has 48 divisors (see below), whose sum is σ = 312977280. Its totient is φ = 35562240.

The previous prime is 120155227. The next prime is 120155249. The reversal of 120155244 is 442551021.

It is not an unprimeable number, because it can be changed into a prime (120155249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4909 + ... + 16260.

It is an arithmetic number, because the mean of its divisors is an integer number (6520360).

Almost surely, 2^120155244 is an apocalyptic number.

It is an amenable number.

120155244 is an abundant number, since it is smaller than the sum of its proper divisors (192822036).

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

120155244 is a wasteful number, since it uses less digits than its factorization.

120155244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21230 (or 21228 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 120155244 is about 10961.5347465581. The cubic root of 120155244 is about 493.4550257782.

The spelling of 120155244 in words is "one hundred twenty million, one hundred fifty-five thousand, two hundred forty-four".