124421222 has 4 divisors (see below), whose sum is σ = 186631836. Its totient is φ = 62210610.

The previous prime is 124421207. The next prime is 124421239. The reversal of 124421222 is 222124421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222124421 = 19 ⋅11690759.

It is a junction number, because it is equal to n+sod(n) for n = 124421194 and 124421203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31105304 + ... + 31105307.

It is an arithmetic number, because the mean of its divisors is an integer number (46657959).

Almost surely, 2^124421222 is an apocalyptic number.

124421222 is a deficient number, since it is larger than the sum of its proper divisors (62210614).

124421222 is an equidigital number, since it uses as much as digits as its factorization.

124421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62210613.

The product of its digits is 512, while the sum is 20.

The square root of 124421222 is about 11154.4261170174. The cubic root of 124421222 is about 499.2271018726.

Adding to 124421222 its reverse (222124421), we get a palindrome (346545643).

The spelling of 124421222 in words is "one hundred twenty-four million, four hundred twenty-one thousand, two hundred twenty-two".