120515154 has 32 divisors (see below), whose sum is σ = 252673344. Its totient is φ = 38277120.

The previous prime is 120515149. The next prime is 120515173. The reversal of 120515154 is 451515021.

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, 4882 + ... + 16274.

It is an arithmetic number, because the mean of its divisors is an integer number (7896042).

Almost surely, 2^120515154 is an apocalyptic number.

120515154 is an abundant number, since it is smaller than the sum of its proper divisors (132158190).

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

120515154 is a wasteful number, since it uses less digits than its factorization.

120515154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 120515154 is about 10977.9394241360. The cubic root of 120515154 is about 493.9472289240.

It can be divided in two parts, 12051 and 5154, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 120515154 in words is "one hundred twenty million, five hundred fifteen thousand, one hundred fifty-four".