124640541 has 6 divisors (see below), whose sum is σ = 180036350. Its totient is φ = 83093688.

The previous prime is 124640489. The next prime is 124640543. The reversal of 124640541 is 145046421.

124640541 is a `hidden beast` number, since 12 + 4 + 640 + 5 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73102500 + 51538041 = 8550^2 + 7179^2 .

It is not a de Polignac number, because 124640541 - 2¹³ = 124632349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124640543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6924466 + ... + 6924483.

Almost surely, 2^124640541 is an apocalyptic number.

It is an amenable number.

124640541 is a deficient number, since it is larger than the sum of its proper divisors (55395809).

124640541 is a wasteful number, since it uses less digits than its factorization.

124640541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13848955 (or 13848952 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 124640541 is about 11164.2528187067. The cubic root of 124640541 is about 499.5202611819.

Adding to 124640541 its reverse (145046421), we get a palindrome (269686962).

The spelling of 124640541 in words is "one hundred twenty-four million, six hundred forty thousand, five hundred forty-one".