124423219 has 2 divisors, whose sum is σ = 124423220. Its totient is φ = 124423218.

The previous prime is 124423199. The next prime is 124423249. The reversal of 124423219 is 912324421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124423219 is a prime.

It is a super-2 number, since 2×124423219² = 30962274852643922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124423249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62211609 + 62211610.

It is an arithmetic number, because the mean of its divisors is an integer number (62211610).

Almost surely, 2^124423219 is an apocalyptic number.

124423219 is a deficient number, since it is larger than the sum of its proper divisors (1).

124423219 is an equidigital number, since it uses as much as digits as its factorization.

124423219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 124423219 is about 11154.5156326933. The cubic root of 124423219 is about 499.2297727760.

The spelling of 124423219 in words is "one hundred twenty-four million, four hundred twenty-three thousand, two hundred nineteen".