120304856 has 16 divisors (see below), whose sum is σ = 257796240. Its totient is φ = 51559200.

The previous prime is 120304843. The next prime is 120304867. The reversal of 120304856 is 658403021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074095 + ... + 1074206.

It is an arithmetic number, because the mean of its divisors is an integer number (16112265).

Almost surely, 2^120304856 is an apocalyptic number.

It is an amenable number.

120304856 is an abundant number, since it is smaller than the sum of its proper divisors (137491384).

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

120304856 is a wasteful number, since it uses less digits than its factorization.

120304856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148314 (or 2148310 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 120304856 is about 10968.3570328468. The cubic root of 120304856 is about 493.6597502943.

Adding to 120304856 its reverse (658403021), we get a palindrome (778707877).

The spelling of 120304856 in words is "one hundred twenty million, three hundred four thousand, eight hundred fifty-six".