120505104 has 40 divisors (see below), whose sum is σ = 345895520. Its totient is φ = 40168224.

The previous prime is 120505103. The next prime is 120505117. The reversal of 120505104 is 401505021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120505103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139042 + ... + 139905.

It is an arithmetic number, because the mean of its divisors is an integer number (8647388).

Almost surely, 2^120505104 is an apocalyptic number.

It is an amenable number.

120505104 is an abundant number, since it is smaller than the sum of its proper divisors (225390416).

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

120505104 is a wasteful number, since it uses less digits than its factorization.

120505104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278964 (or 278952 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 120505104 is about 10977.4816784179. The cubic root of 120505104 is about 493.9334981262.

The spelling of 120505104 in words is "one hundred twenty million, five hundred five thousand, one hundred four".