124044521 has 4 divisors (see below), whose sum is σ = 130573200. Its totient is φ = 117515844.

The previous prime is 124044499. The next prime is 124044523. The reversal of 124044521 is 125440421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125440421 = 181 ⋅693041.

It is a cyclic number.

It is not a de Polignac number, because 124044521 - 2¹⁰ = 124043497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124044523) 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, 3264311 + ... + 3264348.

It is an arithmetic number, because the mean of its divisors is an integer number (32643300).

Almost surely, 2^124044521 is an apocalyptic number.

It is an amenable number.

124044521 is a deficient number, since it is larger than the sum of its proper divisors (6528679).

124044521 is an equidigital number, since it uses as much as digits as its factorization.

124044521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528678.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 124044521 is about 11137.5275981701. The cubic root of 124044521 is about 498.7227681356.

Adding to 124044521 its reverse (125440421), we get a palindrome (249484942).

The spelling of 124044521 in words is "one hundred twenty-four million, forty-four thousand, five hundred twenty-one".