120907228 has 48 divisors (see below), whose sum is σ = 243403776. Its totient is φ = 52113600.

The previous prime is 120907207. The next prime is 120907229. The reversal of 120907228 is 822709021.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 120907228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120907229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50253 + ... + 52603.

It is an arithmetic number, because the mean of its divisors is an integer number (5070912).

Almost surely, 2^120907228 is an apocalyptic number.

It is an amenable number.

120907228 is an abundant number, since it is smaller than the sum of its proper divisors (122496548).

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

120907228 is a wasteful number, since it uses less digits than its factorization.

120907228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 120907228 is about 10995.7822823117. The cubic root of 120907228 is about 494.4823047257.

The spelling of 120907228 in words is "one hundred twenty million, nine hundred seven thousand, two hundred twenty-eight".