120044631 has 16 divisors (see below), whose sum is σ = 185433344. Its totient is φ = 67656384.

The previous prime is 120044623. The next prime is 120044647. The reversal of 120044631 is 136440021.

It is not a de Polignac number, because 120044631 - 2³ = 120044623 is a prime.

It is a super-2 number, since 2×120044631² = 28821426863852322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120044598 and 120044607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120044611) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 37621 + ... + 40686.

It is an arithmetic number, because the mean of its divisors is an integer number (11589584).

Almost surely, 2^120044631 is an apocalyptic number.

120044631 is a deficient number, since it is larger than the sum of its proper divisors (65388713).

120044631 is an equidigital number, since it uses as much as digits as its factorization.

120044631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78390.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 120044631 is about 10956.4880778468. The cubic root of 120044631 is about 493.3035570150.

Adding to 120044631 its reverse (136440021), we get a palindrome (256484652).

The spelling of 120044631 in words is "one hundred twenty million, forty-four thousand, six hundred thirty-one".