124938665440 has 48 divisors (see below), whose sum is σ = 296978503248. Its totient is φ = 49668857856.

The previous prime is 124938665429. The next prime is 124938665479. The reversal of 124938665440 is 44566839421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369217 + ... + 2421376.

It is an arithmetic number, because the mean of its divisors is an integer number (6187052151).

Almost surely, 2^124938665440 is an apocalyptic number.

124938665440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124938665440 is an abundant number, since it is smaller than the sum of its proper divisors (172039837808).

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

124938665440 is a wasteful number, since it uses less digits than its factorization.

124938665440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790771 (or 4790763 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 124938665440 in words is "one hundred twenty-four billion, nine hundred thirty-eight million, six hundred sixty-five thousand, four hundred forty".