124394772 has 12 divisors (see below), whose sum is σ = 290254496. Its totient is φ = 41464920.

The previous prime is 124394747. The next prime is 124394773. The reversal of 124394772 is 277493421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 124394772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124394773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5183104 + ... + 5183127.

Almost surely, 2^124394772 is an apocalyptic number.

124394772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124394772 is an abundant number, since it is smaller than the sum of its proper divisors (165859724).

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

124394772 is a wasteful number, since it uses less digits than its factorization.

124394772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366238 (or 10366236 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 124394772 is about 11153.2404259928. The cubic root of 124394772 is about 499.1917234153.

The spelling of 124394772 in words is "one hundred twenty-four million, three hundred ninety-four thousand, seven hundred seventy-two".