125769667 has 2 divisors, whose sum is σ = 125769668. Its totient is φ = 125769666.

The previous prime is 125769661. The next prime is 125769691. The reversal of 125769667 is 766967521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125769667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125769667.

It is not a weakly prime, because it can be changed into another prime (125769661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62884833 + 62884834.

It is an arithmetic number, because the mean of its divisors is an integer number (62884834).

Almost surely, 2^125769667 is an apocalyptic number.

125769667 is a deficient number, since it is larger than the sum of its proper divisors (1).

125769667 is an equidigital number, since it uses as much as digits as its factorization.

125769667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 125769667 is about 11214.7076199070. The cubic root of 125769667 is about 501.0241235763.

The spelling of 125769667 in words is "one hundred twenty-five million, seven hundred sixty-nine thousand, six hundred sixty-seven".