120645260 has 24 divisors (see below), whose sum is σ = 268259040. Its totient is φ = 45419264.

The previous prime is 120645253. The next prime is 120645289. The reversal of 120645260 is 62546021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177080 + ... + 177759.

It is an arithmetic number, because the mean of its divisors is an integer number (11177460).

Almost surely, 2^120645260 is an apocalyptic number.

120645260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120645260 is an abundant number, since it is smaller than the sum of its proper divisors (147613780).

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

120645260 is a wasteful number, since it uses less digits than its factorization.

120645260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354865 (or 354863 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 120645260 is about 10983.8636189640. The cubic root of 120645260 is about 494.1249171877.

The spelling of 120645260 in words is "one hundred twenty million, six hundred forty-five thousand, two hundred sixty".