124923 has 4 divisors (see below), whose sum is σ = 166568. Its totient is φ = 83280.

The previous prime is 124919. The next prime is 124951. The reversal of 124923 is 329421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329421 = 3 ⋅109807.

It is not a de Polignac number, because 124923 - 2² = 124919 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹⁵ + 9² + 4⁴ + 2¹⁵ + 3¹⁰ .

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124923.

It is not an unprimeable number, because it can be changed into a prime (124123) 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, 20818 + ... + 20823.

It is an arithmetic number, because the mean of its divisors is an integer number (41642).

2¹²⁴⁹²³ is an apocalyptic number.

124923 is a deficient number, since it is larger than the sum of its proper divisors (41645).

124923 is an equidigital number, since it uses as much as digits as its factorization.

124923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41644.

The product of its digits is 432, while the sum is 21.

The square root of 124923 is about 353.4444793741. Note that the first 4 decimals coincide. The cubic root of 124923 is about 49.9897312245.

The spelling of 124923 in words is "one hundred twenty-four thousand, nine hundred twenty-three".