125708163193 has 2 divisors, whose sum is σ = 125708163194. Its totient is φ = 125708163192.

The previous prime is 125708163181. The next prime is 125708163211. The reversal of 125708163193 is 391361807521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91782943849 + 33925219344 = 302957^2 + 184188^2 .

It is an emirp because it is prime and its reverse (391361807521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125708163193 - 2⁹ = 125708162681 is a prime.

It is not a weakly prime, because it can be changed into another prime (125708133193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62854081596 + 62854081597.

It is an arithmetic number, because the mean of its divisors is an integer number (62854081597).

Almost surely, 2^125708163193 is an apocalyptic number.

It is an amenable number.

125708163193 is a deficient number, since it is larger than the sum of its proper divisors (1).

125708163193 is an equidigital number, since it uses as much as digits as its factorization.

125708163193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 125708163193 in words is "one hundred twenty-five billion, seven hundred eight million, one hundred sixty-three thousand, one hundred ninety-three".