125686727 has 2 divisors, whose sum is σ = 125686728. Its totient is φ = 125686726.

The previous prime is 125686711. The next prime is 125686739. The reversal of 125686727 is 727686521.

It is a strong prime.

It is an emirp because it is prime and its reverse (727686521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125686727 - 2⁴ = 125686711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125686747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62843363 + 62843364.

It is an arithmetic number, because the mean of its divisors is an integer number (62843364).

Almost surely, 2^125686727 is an apocalyptic number.

125686727 is a deficient number, since it is larger than the sum of its proper divisors (1).

125686727 is an equidigital number, since it uses as much as digits as its factorization.

125686727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The square root of 125686727 is about 11211.0091874015. The cubic root of 125686727 is about 500.9139643205.

The spelling of 125686727 in words is "one hundred twenty-five million, six hundred eighty-six thousand, seven hundred twenty-seven".