125542 has 8 divisors (see below), whose sum is σ = 193032. Its totient is φ = 61200.

The previous prime is 125539. The next prime is 125551. The reversal of 125542 is 245521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684 + ... + 847.

It is an arithmetic number, because the mean of its divisors is an integer number (24129).

2¹²⁵⁵⁴² is an apocalyptic number.

125542 is a deficient number, since it is larger than the sum of its proper divisors (67490).

125542 is a wasteful number, since it uses less digits than its factorization.

125542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574.

The product of its digits is 400, while the sum is 19.

The square root of 125542 is about 354.3190652505. The cubic root of 125542 is about 50.0721624681.

The spelling of 125542 in words is "one hundred twenty-five thousand, five hundred forty-two".