124372817 has 2 divisors, whose sum is σ = 124372818. Its totient is φ = 124372816.

The previous prime is 124372777. The next prime is 124372849. The reversal of 124372817 is 718273421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110859841 + 13512976 = 10529^2 + 3676^2 .

It is a cyclic number.

It is not a de Polignac number, because 124372817 - 2¹⁴ = 124356433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124372117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62186408 + 62186409.

It is an arithmetic number, because the mean of its divisors is an integer number (62186409).

Almost surely, 2^124372817 is an apocalyptic number.

It is an amenable number.

124372817 is a deficient number, since it is larger than the sum of its proper divisors (1).

124372817 is an equidigital number, since it uses as much as digits as its factorization.

124372817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 124372817 is about 11152.2561394545. The cubic root of 124372817 is about 499.1623534803.

The spelling of 124372817 in words is "one hundred twenty-four million, three hundred seventy-two thousand, eight hundred seventeen".