120431146 has 8 divisors (see below), whose sum is σ = 197069184. Its totient is φ = 54741420.

The previous prime is 120431137. The next prime is 120431149. The reversal of 120431146 is 641134021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 5474143 = 120431146 / (1 + 2 + 0 + 4 + 3 + 1 + 1 + 4 + 6).

It is not an unprimeable number, because it can be changed into a prime (120431149) 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 3 ways as a sum of consecutive naturals, for example, 2737050 + ... + 2737093.

It is an arithmetic number, because the mean of its divisors is an integer number (24633648).

Almost surely, 2^120431146 is an apocalyptic number.

120431146 is a deficient number, since it is larger than the sum of its proper divisors (76638038).

120431146 is a wasteful number, since it uses less digits than its factorization.

120431146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474156.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 120431146 is about 10974.1125381509. The cubic root of 120431146 is about 493.8324296284.

Adding to 120431146 its reverse (641134021), we get a palindrome (761565167).

The spelling of 120431146 in words is "one hundred twenty million, four hundred thirty-one thousand, one hundred forty-six".