123112860 has 48 divisors (see below), whose sum is σ = 371234976. Its totient is φ = 30304512.

The previous prime is 123112853. The next prime is 123112879. The reversal of 123112860 is 68211321.

It is a self number, because there is not a number n which added to its sum of digits gives 123112860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78139 + ... + 79698.

It is an arithmetic number, because the mean of its divisors is an integer number (7734062).

Almost surely, 2^123112860 is an apocalyptic number.

123112860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123112860 is an abundant number, since it is smaller than the sum of its proper divisors (248122116).

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

123112860 is a wasteful number, since it uses less digits than its factorization.

123112860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157862 (or 157860 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 123112860 is about 11095.6234615275. The cubic root of 123112860 is about 497.4710436586.

The spelling of 123112860 in words is "one hundred twenty-three million, one hundred twelve thousand, eight hundred sixty".