120920904 has 64 divisors (see below), whose sum is σ = 361737600. Its totient is φ = 37205568.

The previous prime is 120920903. The next prime is 120920927. The reversal of 120920904 is 409029021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120920903) 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, 18724 + ... + 24339.

It is an arithmetic number, because the mean of its divisors is an integer number (5652150).

Almost surely, 2^120920904 is an apocalyptic number.

It is an amenable number.

120920904 is an abundant number, since it is smaller than the sum of its proper divisors (240816696).

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

120920904 is a wasteful number, since it uses less digits than its factorization.

120920904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43091 (or 43081 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 120920904 is about 10996.4041395358. The cubic root of 120920904 is about 494.5009479041.

Adding to 120920904 its reverse (409029021), we get a palindrome (529949925).

The spelling of 120920904 in words is "one hundred twenty million, nine hundred twenty thousand, nine hundred four".