124321666880 has 28 divisors (see below), whose sum is σ = 296040970020. Its totient is φ = 49728666624.

The previous prime is 124321666879. The next prime is 124321666921. The reversal of 124321666880 is 88666123421.

It can be written as a sum of positive squares in 2 ways, for example, as 15964827904 + 108356838976 = 126352^2 + 329176^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194252285 + ... + 194252924.

Almost surely, 2^124321666880 is an apocalyptic number.

124321666880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124321666880 is an abundant number, since it is smaller than the sum of its proper divisors (171719303140).

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

124321666880 is an equidigital number, since it uses as much as digits as its factorization.

124321666880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388505226 (or 388505216 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 124321666880 in words is "one hundred twenty-four billion, three hundred twenty-one million, six hundred sixty-six thousand, eight hundred eighty".