124372140 has 24 divisors (see below), whose sum is σ = 348242160. Its totient is φ = 33165888.

The previous prime is 124372123. The next prime is 124372181. The reversal of 124372140 is 41273421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 124372140.

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, 1036375 + ... + 1036494.

It is an arithmetic number, because the mean of its divisors is an integer number (14510090).

Almost surely, 2^124372140 is an apocalyptic number.

124372140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124372140 is an abundant number, since it is smaller than the sum of its proper divisors (223870020).

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

124372140 is a wasteful number, since it uses less digits than its factorization.

124372140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072881 (or 2072879 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 124372140 is about 11152.2257868105. The cubic root of 124372140 is about 499.1614477799.

The spelling of 124372140 in words is "one hundred twenty-four million, three hundred seventy-two thousand, one hundred forty".