125765699 has 2 divisors, whose sum is σ = 125765700. Its totient is φ = 125765698.

The previous prime is 125765681. The next prime is 125765719. The reversal of 125765699 is 996567521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125765699 - 2¹⁶ = 125700163 is a prime.

It is a super-2 number, since 2×125765699² = 31634022089917202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125765599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62882849 + 62882850.

It is an arithmetic number, because the mean of its divisors is an integer number (62882850).

Almost surely, 2^125765699 is an apocalyptic number.

125765699 is a deficient number, since it is larger than the sum of its proper divisors (1).

125765699 is an equidigital number, since it uses as much as digits as its factorization.

125765699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 50.

The square root of 125765699 is about 11214.5307079699. The cubic root of 125765699 is about 501.0188544610.

The spelling of 125765699 in words is "one hundred twenty-five million, seven hundred sixty-five thousand, six hundred ninety-nine".