125166573241 has 2 divisors, whose sum is σ = 125166573242. Its totient is φ = 125166573240.

The previous prime is 125166573197. The next prime is 125166573271. The reversal of 125166573241 is 142375661521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101451805225 + 23714768016 = 318515^2 + 153996^2 .

It is a cyclic number.

It is not a de Polignac number, because 125166573241 - 2¹³ = 125166565049 is a prime.

It is not a weakly prime, because it can be changed into another prime (125166573271) 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, 62583286620 + 62583286621.

It is an arithmetic number, because the mean of its divisors is an integer number (62583286621).

Almost surely, 2^125166573241 is an apocalyptic number.

It is an amenable number.

125166573241 is a deficient number, since it is larger than the sum of its proper divisors (1).

125166573241 is an equidigital number, since it uses as much as digits as its factorization.

125166573241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The spelling of 125166573241 in words is "one hundred twenty-five billion, one hundred sixty-six million, five hundred seventy-three thousand, two hundred forty-one".