124221 has 8 divisors (see below), whose sum is σ = 169344. Its totient is φ = 80960.

The previous prime is 124213. The next prime is 124231. The reversal of 124221 is 122421.

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 124221 - 2³ = 124213 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 124197 and 124206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300 + ... + 581.

It is an arithmetic number, because the mean of its divisors is an integer number (21168).

2¹²⁴²²¹ is an apocalyptic number.

It is an amenable number.

124221 is a deficient number, since it is larger than the sum of its proper divisors (45123).

124221 is an equidigital number, since it uses as much as digits as its factorization.

124221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its digits is 32, while the sum is 12.

The square root of 124221 is about 352.4499964534. The cubic root of 124221 is about 49.8959168175.

Adding to 124221 its reverse (122421), we get a palindrome (246642).

The spelling of 124221 in words is "one hundred twenty-four thousand, two hundred twenty-one", and thus it is an iban number.