120023685 has 12 divisors (see below), whose sum is σ = 208041132. Its totient is φ = 64012608.

The previous prime is 120023681. The next prime is 120023693. The reversal of 120023685 is 586320021.

It can be written as a sum of positive squares in 2 ways, for example, as 51365889 + 68657796 = 7167^2 + 8286^2 .

It is not a de Polignac number, because 120023685 - 2² = 120023681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120023681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1333552 + ... + 1333641.

It is an arithmetic number, because the mean of its divisors is an integer number (17336761).

Almost surely, 2^120023685 is an apocalyptic number.

120023685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120023685 is a deficient number, since it is larger than the sum of its proper divisors (88017447).

120023685 is a wasteful number, since it uses less digits than its factorization.

120023685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667204 (or 2667201 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 120023685 is about 10955.5321641625. The cubic root of 120023685 is about 493.2748639719.

The spelling of 120023685 in words is "one hundred twenty million, twenty-three thousand, six hundred eighty-five".