125867 has 4 divisors (see below), whose sum is σ = 143856. Its totient is φ = 107880.

The previous prime is 125863. The next prime is 125887. The reversal of 125867 is 768521.

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

It is a cyclic number.

It is not a de Polignac number, because 125867 - 2² = 125863 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125867.

It is not an unprimeable number, because it can be changed into a prime (125863) 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, 8984 + ... + 8997.

It is an arithmetic number, because the mean of its divisors is an integer number (35964).

2¹²⁵⁸⁶⁷ is an apocalyptic number.

125867 is a deficient number, since it is larger than the sum of its proper divisors (17989).

125867 is an equidigital number, since it uses as much as digits as its factorization.

125867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17988.

The product of its digits is 3360, while the sum is 29.

The square root of 125867 is about 354.7773949958. Note that the first 3 decimals coincide. The cubic root of 125867 is about 50.1153337579.

The spelling of 125867 in words is "one hundred twenty-five thousand, eight hundred sixty-seven".