125287 has 2 divisors, whose sum is σ = 125288. Its totient is φ = 125286.

The previous prime is 125269. The next prime is 125299. The reversal of 125287 is 782521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125287 - 2¹¹ = 123239 is a prime.

125287 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125207) 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, 62643 + 62644.

It is an arithmetic number, because the mean of its divisors is an integer number (62644).

2¹²⁵²⁸⁷ is an apocalyptic number.

125287 is a deficient number, since it is larger than the sum of its proper divisors (1).

125287 is an equidigital number, since it uses as much as digits as its factorization.

125287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 25.

The square root of 125287 is about 353.9590371780. The cubic root of 125287 is about 50.0382374172.

The spelling of 125287 in words is "one hundred twenty-five thousand, two hundred eighty-seven".