125487 has 12 divisors (see below), whose sum is σ = 184704. Its totient is φ = 82080.

The previous prime is 125471. The next prime is 125497. The reversal of 125487 is 784521.

It is not a de Polignac number, because 125487 - 2⁴ = 125471 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125487.

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 125487.

It is not an unprimeable number, because it can be changed into a prime (125407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (15392).

2¹²⁵⁴⁸⁷ is an apocalyptic number.

125487 is a deficient number, since it is larger than the sum of its proper divisors (59217).

125487 is a wasteful number, since it uses less digits than its factorization.

125487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 267 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 125487 is about 354.2414430865. The cubic root of 125487 is about 50.0648491886.

The spelling of 125487 in words is "one hundred twenty-five thousand, four hundred eighty-seven".