636124541 has 16 divisors (see below), whose sum is σ = 745987200. Its totient is φ = 537098688.

The previous prime is 636124487. The next prime is 636124589. The reversal of 636124541 is 145421636.

It is not a de Polignac number, because 636124541 - 2⁶ = 636124477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 636124498 and 636124507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636124441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37241 + ... + 51566.

It is an arithmetic number, because the mean of its divisors is an integer number (46624200).

Almost surely, 2^636124541 is an apocalyptic number.

It is an amenable number.

636124541 is a deficient number, since it is larger than the sum of its proper divisors (109862659).

636124541 is a wasteful number, since it uses less digits than its factorization.

636124541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88868.

The product of its digits is 17280, while the sum is 32.

The square root of 636124541 is about 25221.5094909087. The cubic root of 636124541 is about 860.0308899126.

The spelling of 636124541 in words is "six hundred thirty-six million, one hundred twenty-four thousand, five hundred forty-one".