120722008 has 16 divisors (see below), whose sum is σ = 246931560. Its totient is φ = 54873600.

The previous prime is 120721973. The next prime is 120722011. The reversal of 120722008 is 800227021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a self number, because there is not a number n which added to its sum of digits gives 120722008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685833 + ... + 686008.

Almost surely, 2^120722008 is an apocalyptic number.

It is an amenable number.

120722008 is an abundant number, since it is smaller than the sum of its proper divisors (126209552).

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

120722008 is a wasteful number, since it uses less digits than its factorization.

120722008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371858 (or 1371854 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 120722008 is about 10987.3567339920. The cubic root of 120722008 is about 494.2296735079.

Adding to 120722008 its reverse (800227021), we get a palindrome (920949029).

The spelling of 120722008 in words is "one hundred twenty million, seven hundred twenty-two thousand, eight".