125187 has 4 divisors (see below), whose sum is σ = 166920. Its totient is φ = 83456.

The previous prime is 125183. The next prime is 125197. The reversal of 125187 is 781521.

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 125187 - 2² = 125183 is a prime.

It is a D-number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (125183) 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, 20862 + ... + 20867.

It is an arithmetic number, because the mean of its divisors is an integer number (41730).

2¹²⁵¹⁸⁷ is an apocalyptic number.

125187 is a deficient number, since it is larger than the sum of its proper divisors (41733).

125187 is an equidigital number, since it uses as much as digits as its factorization.

125187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41732.

The product of its digits is 560, while the sum is 24.

The square root of 125187 is about 353.8177496961. The cubic root of 125187 is about 50.0249209102.

The spelling of 125187 in words is "one hundred twenty-five thousand, one hundred eighty-seven".