125943 has 4 divisors (see below), whose sum is σ = 167928. Its totient is φ = 83960.

The previous prime is 125941. The next prime is 125959. The reversal of 125943 is 349521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349521 = 3 ⋅116507.

It is a cyclic number.

It is not a de Polignac number, because 125943 - 2¹ = 125941 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125941) 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, 20988 + ... + 20993.

It is an arithmetic number, because the mean of its divisors is an integer number (41982).

125943 is a Friedman number, since it can be written as 123*4^5-9, using all its digits and the basic arithmetic operations.

2¹²⁵⁹⁴³ is an apocalyptic number.

125943 is a deficient number, since it is larger than the sum of its proper divisors (41985).

125943 is an equidigital number, since it uses as much as digits as its factorization.

125943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41984.

The product of its digits is 1080, while the sum is 24.

The square root of 125943 is about 354.8844882493. The cubic root of 125943 is about 50.1254184744.

The spelling of 125943 in words is "one hundred twenty-five thousand, nine hundred forty-three".