124430221 has 8 divisors (see below), whose sum is σ = 131088320. Its totient is φ = 117783072.

The previous prime is 124430177. The next prime is 124430227. The reversal of 124430221 is 122034421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124430221 - 2⁹ = 124429709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124430227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32041 + ... + 35713.

It is an arithmetic number, because the mean of its divisors is an integer number (16386040).

Almost surely, 2^124430221 is an apocalyptic number.

It is an amenable number.

124430221 is a deficient number, since it is larger than the sum of its proper divisors (6658099).

124430221 is a wasteful number, since it uses less digits than its factorization.

124430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 124430221 is about 11154.8294921975. The cubic root of 124430221 is about 499.2391374303.

Adding to 124430221 its reverse (122034421), we get a palindrome (246464642).

The spelling of 124430221 in words is "one hundred twenty-four million, four hundred thirty thousand, two hundred twenty-one".