124639968 has 24 divisors (see below), whose sum is σ = 327180168. Its totient is φ = 41546624.

The previous prime is 124639951. The next prime is 124639969. The reversal of 124639968 is 869936421.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124639969) 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, 649071 + ... + 649262.

It is an arithmetic number, because the mean of its divisors is an integer number (13632507).

Almost surely, 2^124639968 is an apocalyptic number.

It is an amenable number.

124639968 is an abundant number, since it is smaller than the sum of its proper divisors (202540200).

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

124639968 is a wasteful number, since it uses less digits than its factorization.

124639968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298346 (or 1298338 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 124639968 is about 11164.2271564135. The cubic root of 124639968 is about 499.5194957125.

It can be divided in two parts, 1246 and 39968, that added together give a palindrome (41214).

The spelling of 124639968 in words is "one hundred twenty-four million, six hundred thirty-nine thousand, nine hundred sixty-eight".