124717231 has 2 divisors, whose sum is σ = 124717232. Its totient is φ = 124717230.

The previous prime is 124717223. The next prime is 124717267. The reversal of 124717231 is 132717421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124717231 - 2³ = 124717223 is a prime.

It is a super-2 number, since 2×124717231² = 31108775416614722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124717231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124717631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62358615 + 62358616.

It is an arithmetic number, because the mean of its divisors is an integer number (62358616).

Almost surely, 2^124717231 is an apocalyptic number.

124717231 is a deficient number, since it is larger than the sum of its proper divisors (1).

124717231 is an equidigital number, since it uses as much as digits as its factorization.

124717231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 124717231 is about 11167.6869135914. The cubic root of 124717231 is about 499.6226900126.

The spelling of 124717231 in words is "one hundred twenty-four million, seven hundred seventeen thousand, two hundred thirty-one".