124917 has 8 divisors (see below), whose sum is σ = 179424. Its totient is φ = 76848.

The previous prime is 124909. The next prime is 124919. The reversal of 124917 is 719421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124917 - 2³ = 124909 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 124917.

It is not an unprimeable number, because it can be changed into a prime (124919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (22428).

2¹²⁴⁹¹⁷ is an apocalyptic number.

It is an amenable number.

124917 is a deficient number, since it is larger than the sum of its proper divisors (54507).

124917 is a wasteful number, since it uses less digits than its factorization.

124917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219.

The product of its digits is 504, while the sum is 24.

The square root of 124917 is about 353.4359913761. The cubic root of 124917 is about 49.9889308830.

The spelling of 124917 in words is "one hundred twenty-four thousand, nine hundred seventeen".