120133191 has 16 divisors (see below), whose sum is σ = 164870144. Its totient is φ = 77752224.

The previous prime is 120133177. The next prime is 120133193. The reversal of 120133191 is 191331021.

It is not a de Polignac number, because 120133191 - 2⁵ = 120133159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120133193) by changing a digit.

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, 66486 + ... + 68268.

It is an arithmetic number, because the mean of its divisors is an integer number (10304384).

Almost surely, 2^120133191 is an apocalyptic number.

120133191 is a deficient number, since it is larger than the sum of its proper divisors (44736953).

120133191 is a wasteful number, since it uses less digits than its factorization.

120133191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 120133191 is about 10960.5287737408. The cubic root of 120133191 is about 493.4248347544.

The spelling of 120133191 in words is "one hundred twenty million, one hundred thirty-three thousand, one hundred ninety-one".