125984456737 has 2 divisors, whose sum is σ = 125984456738. Its totient is φ = 125984456736.

The previous prime is 125984456699. The next prime is 125984456833. The reversal of 125984456737 is 737654489521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103351962256 + 22632494481 = 321484^2 + 150441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125984456737 is a prime.

It is not a weakly prime, because it can be changed into another prime (125984454737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62992228368 + 62992228369.

It is an arithmetic number, because the mean of its divisors is an integer number (62992228369).

Almost surely, 2^125984456737 is an apocalyptic number.

It is an amenable number.

125984456737 is a deficient number, since it is larger than the sum of its proper divisors (1).

125984456737 is an equidigital number, since it uses as much as digits as its factorization.

125984456737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50803200, while the sum is 61.

The spelling of 125984456737 in words is "one hundred twenty-five billion, nine hundred eighty-four million, four hundred fifty-six thousand, seven hundred thirty-seven".