124585 has 4 divisors (see below), whose sum is σ = 149508. Its totient is φ = 99664.

The previous prime is 124577. The next prime is 124601. The reversal of 124585 is 585421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 585421 = 149 ⋅3929.

It can be written as a sum of positive squares in 2 ways, for example, as 65536 + 59049 = 256^2 + 243^2 .

It is a cyclic number.

It is not a de Polignac number, because 124585 - 2³ = 124577 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12454 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (37377).

124585 is a Friedman number, since it can be written as 4^8+(2+1)^(5+5), using all its digits and the basic arithmetic operations.

2¹²⁴⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

124585 is a deficient number, since it is larger than the sum of its proper divisors (24923).

124585 is an equidigital number, since it uses as much as digits as its factorization.

124585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24922.

The product of its digits is 1600, while the sum is 25.

The square root of 124585 is about 352.9660040287. The cubic root of 124585 is about 49.9446053179.

The spelling of 124585 in words is "one hundred twenty-four thousand, five hundred eighty-five".