124421207 has 2 divisors, whose sum is σ = 124421208. Its totient is φ = 124421206.

The previous prime is 124421189. The next prime is 124421239. The reversal of 124421207 is 702124421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124421207 - 2²² = 120226903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124421257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62210603 + 62210604.

It is an arithmetic number, because the mean of its divisors is an integer number (62210604).

Almost surely, 2^124421207 is an apocalyptic number.

124421207 is a deficient number, since it is larger than the sum of its proper divisors (1).

124421207 is an equidigital number, since it uses as much as digits as its factorization.

124421207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 124421207 is about 11154.4254446386. The cubic root of 124421207 is about 499.2270818106.

Adding to 124421207 its reverse (702124421), we get a palindrome (826545628).

The spelling of 124421207 in words is "one hundred twenty-four million, four hundred twenty-one thousand, two hundred seven".