120445530 has 64 divisors (see below), whose sum is σ = 295170048. Its totient is φ = 31449600.

The previous prime is 120445529. The next prime is 120445543. The reversal of 120445530 is 35544021.

It is a self number, because there is not a number n which added to its sum of digits gives 120445530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384654 + ... + 384966.

It is an arithmetic number, because the mean of its divisors is an integer number (4612032).

Almost surely, 2^120445530 is an apocalyptic number.

120445530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120445530 is an abundant number, since it is smaller than the sum of its proper divisors (174724518).

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

120445530 is a wasteful number, since it uses less digits than its factorization.

120445530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 120445530 is about 10974.7678790943. The cubic root of 120445530 is about 493.8520895562.

Adding to 120445530 its reverse (35544021), we get a palindrome (155989551).

The spelling of 120445530 in words is "one hundred twenty million, four hundred forty-five thousand, five hundred thirty".