125830687 has 2 divisors, whose sum is σ = 125830688. Its totient is φ = 125830686.

The previous prime is 125830669. The next prime is 125830693. The reversal of 125830687 is 786038521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125830687 - 2¹⁹ = 125306399 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125830637) 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, 62915343 + 62915344.

It is an arithmetic number, because the mean of its divisors is an integer number (62915344).

Almost surely, 2^125830687 is an apocalyptic number.

125830687 is a deficient number, since it is larger than the sum of its proper divisors (1).

125830687 is an equidigital number, since it uses as much as digits as its factorization.

125830687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 125830687 is about 11217.4278245951. The cubic root of 125830687 is about 501.1051382061.

The spelling of 125830687 in words is "one hundred twenty-five million, eight hundred thirty thousand, six hundred eighty-seven".