125342687 has 2 divisors, whose sum is σ = 125342688. Its totient is φ = 125342686.

The previous prime is 125342653. The next prime is 125342719. The reversal of 125342687 is 786243521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125342687 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125342687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125342627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62671343 + 62671344.

It is an arithmetic number, because the mean of its divisors is an integer number (62671344).

Almost surely, 2^125342687 is an apocalyptic number.

125342687 is a deficient number, since it is larger than the sum of its proper divisors (1).

125342687 is an equidigital number, since it uses as much as digits as its factorization.

125342687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 125342687 is about 11195.6548267620. The cubic root of 125342687 is about 500.4564990903.

The spelling of 125342687 in words is "one hundred twenty-five million, three hundred forty-two thousand, six hundred eighty-seven".