125338472773 has 2 divisors, whose sum is σ = 125338472774. Its totient is φ = 125338472772.

The previous prime is 125338472711. The next prime is 125338472789. The reversal of 125338472773 is 377274833521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101399575489 + 23938897284 = 318433^2 + 154722^2 .

It is an emirp because it is prime and its reverse (377274833521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125338472773 - 2²⁹ = 124801601861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125338472773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125338442773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62669236386 + 62669236387.

It is an arithmetic number, because the mean of its divisors is an integer number (62669236387).

Almost surely, 2^125338472773 is an apocalyptic number.

It is an amenable number.

125338472773 is a deficient number, since it is larger than the sum of its proper divisors (1).

125338472773 is an equidigital number, since it uses as much as digits as its factorization.

125338472773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 52.

The spelling of 125338472773 in words is "one hundred twenty-five billion, three hundred thirty-eight million, four hundred seventy-two thousand, seven hundred seventy-three".