124621372 has 12 divisors (see below), whose sum is σ = 220018176. Its totient is φ = 61759040.

The previous prime is 124621363. The next prime is 124621379. The reversal of 124621372 is 273126421.

It is a self number, because there is not a number n which added to its sum of digits gives 124621372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124621379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137404 + ... + 138307.

It is an arithmetic number, because the mean of its divisors is an integer number (18334848).

Almost surely, 2^124621372 is an apocalyptic number.

It is an amenable number.

124621372 is a deficient number, since it is larger than the sum of its proper divisors (95396804).

124621372 is a wasteful number, since it uses less digits than its factorization.

124621372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275828 (or 275826 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 124621372 is about 11163.3942866854. The cubic root of 124621372 is about 499.4946520857.

Adding to 124621372 its reverse (273126421), we get a palindrome (397747793).

The spelling of 124621372 in words is "one hundred twenty-four million, six hundred twenty-one thousand, three hundred seventy-two".