124263221 has 8 divisors (see below), whose sum is σ = 128479488. Its totient is φ = 120060000.

The previous prime is 124263199. The next prime is 124263233. The reversal of 124263221 is 122362421.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124263221 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 (124263241) 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, 18521 + ... + 24321.

It is an arithmetic number, because the mean of its divisors is an integer number (16059936).

Almost surely, 2^124263221 is an apocalyptic number.

It is an amenable number.

124263221 is a deficient number, since it is larger than the sum of its proper divisors (4216267).

124263221 is an equidigital number, since it uses as much as digits as its factorization.

124263221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6523.

The product of its digits is 1152, while the sum is 23.

The square root of 124263221 is about 11147.3414319290. The cubic root of 124263221 is about 499.0156915453.

The spelling of 124263221 in words is "one hundred twenty-four million, two hundred sixty-three thousand, two hundred twenty-one".