124203221 has 8 divisors (see below), whose sum is σ = 129492000. Its totient is φ = 119023632.

The previous prime is 124203203. The next prime is 124203223. The reversal of 124203221 is 122302421.

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 124203221 - 2²⁶ = 57094357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124203221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124203223) 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, 24971 + ... + 29528.

It is an arithmetic number, because the mean of its divisors is an integer number (16186500).

Almost surely, 2^124203221 is an apocalyptic number.

It is an amenable number.

124203221 is a deficient number, since it is larger than the sum of its proper divisors (5288779).

124203221 is an equidigital number, since it uses as much as digits as its factorization.

124203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54595.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 124203221 is about 11144.6498823426. The cubic root of 124203221 is about 498.9353627038.

Adding to 124203221 its reverse (122302421), we get a palindrome (246505642).

The spelling of 124203221 in words is "one hundred twenty-four million, two hundred three thousand, two hundred twenty-one".