120400192 has 28 divisors (see below), whose sum is σ = 260640576. Its totient is φ = 54727040.

The previous prime is 120400177. The next prime is 120400211. The reversal of 120400192 is 291004021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84808 + ... + 86215.

It is an arithmetic number, because the mean of its divisors is an integer number (9308592).

Almost surely, 2^120400192 is an apocalyptic number.

It is an amenable number.

120400192 is an abundant number, since it is smaller than the sum of its proper divisors (140240384).

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

120400192 is a wasteful number, since it uses less digits than its factorization.

120400192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171046 (or 171036 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 120400192 is about 10972.7021284641. The cubic root of 120400192 is about 493.7901166572.

The spelling of 120400192 in words is "one hundred twenty million, four hundred thousand, one hundred ninety-two".