124615 has 4 divisors (see below), whose sum is σ = 149544. Its totient is φ = 99688.

The previous prime is 124601. The next prime is 124633. The reversal of 124615 is 516421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124615 - 2¹³ = 116423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124592 and 124601.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12457 + ... + 12466.

It is an arithmetic number, because the mean of its divisors is an integer number (37386).

2¹²⁴⁶¹⁵ is an apocalyptic number.

124615 is a deficient number, since it is larger than the sum of its proper divisors (24929).

124615 is an equidigital number, since it uses as much as digits as its factorization.

124615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24928.

The product of its digits is 240, while the sum is 19.

The square root of 124615 is about 353.0084984813. The cubic root of 124615 is about 49.9486138741.

The spelling of 124615 in words is "one hundred twenty-four thousand, six hundred fifteen".