120575155 has 4 divisors (see below), whose sum is σ = 144690192. Its totient is φ = 96460120.

The previous prime is 120575107. The next prime is 120575183. The reversal of 120575155 is 551575021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120575155 - 2²⁵ = 87020723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12057511 + ... + 12057520.

It is an arithmetic number, because the mean of its divisors is an integer number (36172548).

Almost surely, 2^120575155 is an apocalyptic number.

120575155 is a deficient number, since it is larger than the sum of its proper divisors (24115037).

120575155 is an equidigital number, since it uses as much as digits as its factorization.

120575155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24115036.

The product of its (nonzero) digits is 8750, while the sum is 31.

The square root of 120575155 is about 10980.6718829041. The cubic root of 120575155 is about 494.0291893236.

The spelling of 120575155 in words is "one hundred twenty million, five hundred seventy-five thousand, one hundred fifty-five".