124324221 has 24 divisors (see below), whose sum is σ = 194839680. Its totient is φ = 70301952.

The previous prime is 124324219. The next prime is 124324243. The reversal of 124324221 is 122423421.

It is not a de Polignac number, because 124324221 - 2¹ = 124324219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124324721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9900 + ... + 18618.

It is an arithmetic number, because the mean of its divisors is an integer number (8118320).

Almost surely, 2^124324221 is an apocalyptic number.

It is an amenable number.

124324221 is a deficient number, since it is larger than the sum of its proper divisors (70515459).

124324221 is an equidigital number, since it uses as much as digits as its factorization.

124324221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833 (or 8826 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 124324221 is about 11150.0771746208. The cubic root of 124324221 is about 499.0973326975.

Adding to 124324221 its reverse (122423421), we get a palindrome (246747642).

It can be divided in two parts, 12432 and 4221, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 124324221 in words is "one hundred twenty-four million, three hundred twenty-four thousand, two hundred twenty-one".