124717 has 2 divisors, whose sum is σ = 124718. Its totient is φ = 124716.

The previous prime is 124703. The next prime is 124721. The reversal of 124717 is 717421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121801 + 2916 = 349^2 + 54^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62358 + 62359.

It is an arithmetic number, because the mean of its divisors is an integer number (62359).

2¹²⁴⁷¹⁷ is an apocalyptic number.

It is an amenable number.

124717 is a deficient number, since it is larger than the sum of its proper divisors (1).

124717 is an equidigital number, since it uses as much as digits as its factorization.

124717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 392, while the sum is 22.

The square root of 124717 is about 353.1529413724. The cubic root of 124717 is about 49.9622381547.

Subtracting 124717 from its reverse (717421), we obtain a cube (592704 = 84³).

It can be divided in two parts, 124 and 717, that added together give a square (841 = 29²).

The spelling of 124717 in words is "one hundred twenty-four thousand, seven hundred seventeen", and thus it is an iban number.