124359221 has 16 divisors (see below), whose sum is σ = 148035840. Its totient is φ = 102211200.

The previous prime is 124359187. The next prime is 124359239. The reversal of 124359221 is 122953421.

It is not a de Polignac number, because 124359221 - 2¹⁰ = 124358197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124359241) 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, 28625 + ... + 32681.

It is an arithmetic number, because the mean of its divisors is an integer number (9252240).

Almost surely, 2^124359221 is an apocalyptic number.

It is an amenable number.

124359221 is a deficient number, since it is larger than the sum of its proper divisors (23676619).

124359221 is a wasteful number, since it uses less digits than its factorization.

124359221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244.

The product of its digits is 4320, while the sum is 29.

The square root of 124359221 is about 11151.6465600377. The cubic root of 124359221 is about 499.1441639250.

The spelling of 124359221 in words is "one hundred twenty-four million, three hundred fifty-nine thousand, two hundred twenty-one".