125021468573 has 2 divisors, whose sum is σ = 125021468574. Its totient is φ = 125021468572.

The previous prime is 125021468471. The next prime is 125021468587. The reversal of 125021468573 is 375864120521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76550162329 + 48471306244 = 276677^2 + 220162^2 .

It is an emirp because it is prime and its reverse (375864120521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125021468573 - 2¹⁶ = 125021403037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125011468573) 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, 62510734286 + 62510734287.

It is an arithmetic number, because the mean of its divisors is an integer number (62510734287).

Almost surely, 2^125021468573 is an apocalyptic number.

It is an amenable number.

125021468573 is a deficient number, since it is larger than the sum of its proper divisors (1).

125021468573 is an equidigital number, since it uses as much as digits as its factorization.

125021468573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 125021468573 in words is "one hundred twenty-five billion, twenty-one million, four hundred sixty-eight thousand, five hundred seventy-three".