155670120 has 64 divisors (see below), whose sum is σ = 518904000. Its totient is φ = 41511744.

The previous prime is 155670113. The next prime is 155670181. The reversal of 155670120 is 21076551.

155670120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70990 + ... + 73149.

It is an arithmetic number, because the mean of its divisors is an integer number (8107875).

Almost surely, 2^155670120 is an apocalyptic number.

155670120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155670120 is an abundant number, since it is smaller than the sum of its proper divisors (363233880).

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

155670120 is a wasteful number, since it uses less digits than its factorization.

155670120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144159 (or 144149 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 155670120 is about 12476.7832392809. The cubic root of 155670120 is about 537.9415459586.

The spelling of 155670120 in words is "one hundred fifty-five million, six hundred seventy thousand, one hundred twenty".