124422391 has 2 divisors, whose sum is σ = 124422392. Its totient is φ = 124422390.

The previous prime is 124422377. The next prime is 124422401. The reversal of 124422391 is 193224421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124422391 - 2¹¹ = 124420343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124429391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62211195 + 62211196.

It is an arithmetic number, because the mean of its divisors is an integer number (62211196).

Almost surely, 2^124422391 is an apocalyptic number.

124422391 is a deficient number, since it is larger than the sum of its proper divisors (1).

124422391 is an equidigital number, since it uses as much as digits as its factorization.

124422391 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 124422391 is about 11154.4785176179. The cubic root of 124422391 is about 499.2286653643.

The spelling of 124422391 in words is "one hundred twenty-four million, four hundred twenty-two thousand, three hundred ninety-one".