125984456833 has 2 divisors, whose sum is σ = 125984456834. Its totient is φ = 125984456832.

The previous prime is 125984456737. The next prime is 125984456849. The reversal of 125984456833 is 338654489521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63049703409 + 62934753424 = 251097^2 + 250868^2 .

It is an emirp because it is prime and its reverse (338654489521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125984456833 - 2¹³ = 125984448641 is a prime.

It is not a weakly prime, because it can be changed into another prime (125984456033) 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, 62992228416 + 62992228417.

It is an arithmetic number, because the mean of its divisors is an integer number (62992228417).

Almost surely, 2^125984456833 is an apocalyptic number.

It is an amenable number.

125984456833 is a deficient number, since it is larger than the sum of its proper divisors (1).

125984456833 is an equidigital number, since it uses as much as digits as its factorization.

125984456833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24883200, while the sum is 58.

The spelling of 125984456833 in words is "one hundred twenty-five billion, nine hundred eighty-four million, four hundred fifty-six thousand, eight hundred thirty-three".