124915 has 16 divisors (see below), whose sum is σ = 177408. Its totient is φ = 82656.

The previous prime is 124909. The next prime is 124919. The reversal of 124915 is 519421.

It is not a de Polignac number, because 124915 - 2³ = 124907 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1464 + ... + 1546.

It is an arithmetic number, because the mean of its divisors is an integer number (11088).

2¹²⁴⁹¹⁵ is an apocalyptic number.

124915 is a deficient number, since it is larger than the sum of its proper divisors (52493).

124915 is an equidigital number, since it uses as much as digits as its factorization.

124915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138.

The product of its digits is 360, while the sum is 22.

The square root of 124915 is about 353.4331619981. The cubic root of 124915 is about 49.9886640968.

The spelling of 124915 in words is "one hundred twenty-four thousand, nine hundred fifteen".