124472736 has 72 divisors (see below), whose sum is σ = 363567204. Its totient is φ = 40366080.

The previous prime is 124472701. The next prime is 124472737. The reversal of 124472736 is 637274421.

It can be written as a sum of positive squares in 2 ways, for example, as 117939600 + 6533136 = 10860^2 + 2556^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 124472736.

It is not an unprimeable number, because it can be changed into a prime (124472737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4816 + ... + 16496.

Almost surely, 2^124472736 is an apocalyptic number.

124472736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124472736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181783602).

124472736 is an abundant number, since it is smaller than the sum of its proper divisors (239094468).

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

124472736 is a wasteful number, since it uses less digits than its factorization.

124472736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11734 (or 11723 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 124472736 is about 11156.7350062642. The cubic root of 124472736 is about 499.2959905399.

The spelling of 124472736 in words is "one hundred twenty-four million, four hundred seventy-two thousand, seven hundred thirty-six".