120645104 has 20 divisors (see below), whose sum is σ = 241811160. Its totient is φ = 58242240.

The previous prime is 120645101. The next prime is 120645113. The reversal of 120645104 is 401546021.

It is a super-2 number, since 2×120645104² = 29110482238341632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 120645104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120645101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129542 + ... + 130469.

It is an arithmetic number, because the mean of its divisors is an integer number (12090558).

Almost surely, 2^120645104 is an apocalyptic number.

It is an amenable number.

120645104 is an abundant number, since it is smaller than the sum of its proper divisors (121166056).

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

120645104 is a wasteful number, since it uses less digits than its factorization.

120645104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260048 (or 260042 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 120645104 is about 10983.8565176353. The cubic root of 120645104 is about 494.1247042120.

The spelling of 120645104 in words is "one hundred twenty million, six hundred forty-five thousand, one hundred four".