155932120 has 16 divisors (see below), whose sum is σ = 350847360. Its totient is φ = 62372832.

The previous prime is 155932093. The next prime is 155932121. The reversal of 155932120 is 21239551.

155932120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155932121) 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, 1949112 + ... + 1949191.

It is an arithmetic number, because the mean of its divisors is an integer number (21927960).

Almost surely, 2^155932120 is an apocalyptic number.

155932120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155932120 is an abundant number, since it is smaller than the sum of its proper divisors (194915240).

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

155932120 is a wasteful number, since it uses less digits than its factorization.

155932120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898314 (or 3898310 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 155932120 is about 12487.2783263608. The cubic root of 155932120 is about 538.2431702931.

The spelling of 155932120 in words is "one hundred fifty-five million, nine hundred thirty-two thousand, one hundred twenty".