120400304 has 20 divisors (see below), whose sum is σ = 233448600. Its totient is φ = 60155520.

The previous prime is 120400289. The next prime is 120400333. The reversal of 120400304 is 403004021.

It is an unprimeable number.

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, 34847 + ... + 38145.

It is an arithmetic number, because the mean of its divisors is an integer number (11672430).

Almost surely, 2^120400304 is an apocalyptic number.

It is an amenable number.

120400304 is a deficient number, since it is larger than the sum of its proper divisors (113048296).

120400304 is a wasteful number, since it uses less digits than its factorization.

120400304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5588 (or 5582 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 120400304 is about 10972.7072320371. The cubic root of 120400304 is about 493.7902697701.

Adding to 120400304 its reverse (403004021), we get a palindrome (523404325).

The spelling of 120400304 in words is "one hundred twenty million, four hundred thousand, three hundred four".