120445320 has 32 divisors (see below), whose sum is σ = 361336320. Its totient is φ = 32118720.

The previous prime is 120445277. The next prime is 120445343. The reversal of 120445320 is 23544021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501736 + ... + 501975.

It is an arithmetic number, because the mean of its divisors is an integer number (11291760).

Almost surely, 2^120445320 is an apocalyptic number.

120445320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120445320 is an abundant number, since it is smaller than the sum of its proper divisors (240891000).

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

120445320 is a wasteful number, since it uses less digits than its factorization.

120445320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003725 (or 1003721 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 120445320 is about 10974.7583116896. The cubic root of 120445320 is about 493.8518025412.

Adding to 120445320 its reverse (23544021), we get a palindrome (143989341).

The spelling of 120445320 in words is "one hundred twenty million, four hundred forty-five thousand, three hundred twenty".