120686260 has 24 divisors (see below), whose sum is σ = 255688776. Its totient is φ = 47846400.

The previous prime is 120686249. The next prime is 120686339. The reversal of 120686260 is 62686021.

It can be written as a sum of positive squares in 4 ways, for example, as 3786916 + 116899344 = 1946^2 + 10812^2 .

It is a congruent number.

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, 24441 + ... + 28960.

It is an arithmetic number, because the mean of its divisors is an integer number (10653699).

Almost surely, 2^120686260 is an apocalyptic number.

120686260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120686260 is an abundant number, since it is smaller than the sum of its proper divisors (135002516).

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

120686260 is a wasteful number, since it uses less digits than its factorization.

120686260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53523 (or 53521 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 120686260 is about 10985.7298346537. The cubic root of 120686260 is about 494.1808852025.

The spelling of 120686260 in words is "one hundred twenty million, six hundred eighty-six thousand, two hundred sixty".