125388076241 has 2 divisors, whose sum is σ = 125388076242. Its totient is φ = 125388076240.

The previous prime is 125388076193. The next prime is 125388076267. The reversal of 125388076241 is 142670883521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84666450625 + 40721625616 = 290975^2 + 201796^2 .

It is a cyclic number.

It is not a de Polignac number, because 125388076241 - 2²² = 125383881937 is a prime.

It is not a weakly prime, because it can be changed into another prime (125388076441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62694038120 + 62694038121.

It is an arithmetic number, because the mean of its divisors is an integer number (62694038121).

Almost surely, 2^125388076241 is an apocalyptic number.

It is an amenable number.

125388076241 is a deficient number, since it is larger than the sum of its proper divisors (1).

125388076241 is an equidigital number, since it uses as much as digits as its factorization.

125388076241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 125388076241 in words is "one hundred twenty-five billion, three hundred eighty-eight million, seventy-six thousand, two hundred forty-one".