120154415 has 12 divisors (see below), whose sum is σ = 150730104. Its totient is φ = 91942224.

The previous prime is 120154399. The next prime is 120154421. The reversal of 120154415 is 514451021.

It is not a de Polignac number, because 120154415 - 2⁴ = 120154399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20069 + ... + 25358.

It is an arithmetic number, because the mean of its divisors is an integer number (12560842).

Almost surely, 2^120154415 is an apocalyptic number.

120154415 is a deficient number, since it is larger than the sum of its proper divisors (30575689).

120154415 is an equidigital number, since it uses as much as digits as its factorization.

120154415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45478 (or 45455 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 120154415 is about 10961.4969324449. The cubic root of 120154415 is about 493.4538909265.

The spelling of 120154415 in words is "one hundred twenty million, one hundred fifty-four thousand, four hundred fifteen".