125887 has 2 divisors, whose sum is σ = 125888. Its totient is φ = 125886.

The previous prime is 125863. The next prime is 125897. The reversal of 125887 is 788521.

It is a strong prime.

It is an emirp because it is prime and its reverse (788521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125887 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62943 + 62944.

It is an arithmetic number, because the mean of its divisors is an integer number (62944).

2¹²⁵⁸⁸⁷ is an apocalyptic number.

125887 is a deficient number, since it is larger than the sum of its proper divisors (1).

125887 is an equidigital number, since it uses as much as digits as its factorization.

125887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 31.

The square root of 125887 is about 354.8055805649. The cubic root of 125887 is about 50.1179880242.

The spelling of 125887 in words is "one hundred twenty-five thousand, eight hundred eighty-seven".