125942 has 4 divisors (see below), whose sum is σ = 188916. Its totient is φ = 62970.

The previous prime is 125941. The next prime is 125959. The reversal of 125942 is 249521.

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

It is a super-2 number, since 2×125942² = 31722774728, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125942.

It is not an unprimeable number, because it can be changed into a prime (125941) 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 as a sum of consecutive naturals, namely, 31484 + ... + 31487.

It is an arithmetic number, because the mean of its divisors is an integer number (47229).

2¹²⁵⁹⁴² is an apocalyptic number.

125942 is a deficient number, since it is larger than the sum of its proper divisors (62974).

125942 is an equidigital number, since it uses as much as digits as its factorization.

125942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62973.

The product of its digits is 720, while the sum is 23.

The square root of 125942 is about 354.8830793374. The cubic root of 125942 is about 50.1252858071.

The spelling of 125942 in words is "one hundred twenty-five thousand, nine hundred forty-two".