125984456687 has 2 divisors, whose sum is σ = 125984456688. Its totient is φ = 125984456686.

The previous prime is 125984456669. The next prime is 125984456693. The reversal of 125984456687 is 786654489521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125984456687 - 2⁶ = 125984456623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125984456617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62992228343 + 62992228344.

It is an arithmetic number, because the mean of its divisors is an integer number (62992228344).

Almost surely, 2^125984456687 is an apocalyptic number.

125984456687 is a deficient number, since it is larger than the sum of its proper divisors (1).

125984456687 is an equidigital number, since it uses as much as digits as its factorization.

125984456687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116121600, while the sum is 65.

The spelling of 125984456687 in words is "one hundred twenty-five billion, nine hundred eighty-four million, four hundred fifty-six thousand, six hundred eighty-seven".