125767687 has 2 divisors, whose sum is σ = 125767688. Its totient is φ = 125767686.

The previous prime is 125767673. The next prime is 125767711. The reversal of 125767687 is 786767521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125767687 is a prime.

It is a super-2 number, since 2×125767687² = 31635022186659938, which contains 22 as substring.

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 125767687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125767627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62883843 + 62883844.

It is an arithmetic number, because the mean of its divisors is an integer number (62883844).

Almost surely, 2^125767687 is an apocalyptic number.

125767687 is a deficient number, since it is larger than the sum of its proper divisors (1).

125767687 is an equidigital number, since it uses as much as digits as its factorization.

125767687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 49.

The square root of 125767687 is about 11214.6193426259. The cubic root of 125767687 is about 501.0214943441.

The spelling of 125767687 in words is "one hundred twenty-five million, seven hundred sixty-seven thousand, six hundred eighty-seven".