124518 has 8 divisors (see below), whose sum is σ = 249048. Its totient is φ = 41504.

The previous prime is 124513. The next prime is 124529. The reversal of 124518 is 815421.

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

124518 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124494 and 124503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10371 + ... + 10382.

It is an arithmetic number, because the mean of its divisors is an integer number (31131).

2¹²⁴⁵¹⁸ is an apocalyptic number.

124518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124518 is a wasteful number, since it uses less digits than its factorization.

124518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20758.

The product of its digits is 320, while the sum is 21.

The square root of 124518 is about 352.8710812747. The cubic root of 124518 is about 49.9356505518.

Adding to 124518 its reverse (815421), we get a palindrome (939939).

The spelling of 124518 in words is "one hundred twenty-four thousand, five hundred eighteen".