125387 has 2 divisors, whose sum is σ = 125388. Its totient is φ = 125386.

The previous prime is 125383. The next prime is 125399. The reversal of 125387 is 783521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125387 - 2² = 125383 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125387.

It is not a weakly prime, because it can be changed into another prime (125383) 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 as a sum of consecutive naturals, namely, 62693 + 62694.

It is an arithmetic number, because the mean of its divisors is an integer number (62694).

2¹²⁵³⁸⁷ is an apocalyptic number.

125387 is a deficient number, since it is larger than the sum of its proper divisors (1).

125387 is an equidigital number, since it uses as much as digits as its factorization.

125387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 125387 is about 354.1002682857. The cubic root of 125387 is about 50.0515468402.

It can be divided in two parts, 125 and 387, that added together give a 9-th power (512 = 2⁹).

The spelling of 125387 in words is "one hundred twenty-five thousand, three hundred eighty-seven".