125494306699 has 2 divisors, whose sum is σ = 125494306700. Its totient is φ = 125494306698.

The previous prime is 125494306661. The next prime is 125494306739. The reversal of 125494306699 is 996603494521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125494306699 - 2⁷ = 125494306571 is a prime.

It is not a weakly prime, because it can be changed into another prime (125494306099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62747153349 + 62747153350.

It is an arithmetic number, because the mean of its divisors is an integer number (62747153350).

Almost surely, 2^125494306699 is an apocalyptic number.

125494306699 is a deficient number, since it is larger than the sum of its proper divisors (1).

125494306699 is an equidigital number, since it uses as much as digits as its factorization.

125494306699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12597120, while the sum is 58.

The spelling of 125494306699 in words is "one hundred twenty-five billion, four hundred ninety-four million, three hundred six thousand, six hundred ninety-nine".