127125013763441 has 2 divisors, whose sum is σ = 127125013763442. Its totient is φ = 127125013763440.

The previous prime is 127125013763381. The next prime is 127125013763543. The reversal of 127125013763441 is 144367310521721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101080985641216 + 26044028122225 = 10053904^2 + 5103335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127125013763441 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (127125013760441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63562506881720 + 63562506881721.

It is an arithmetic number, because the mean of its divisors is an integer number (63562506881721).

Almost surely, 2^{127125013763441} is an apocalyptic number.

It is an amenable number.

127125013763441 is a deficient number, since it is larger than the sum of its proper divisors (1).

127125013763441 is an equidigital number, since it uses as much as digits as its factorization.

127125013763441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 127125013763441 in words is "one hundred twenty-seven trillion, one hundred twenty-five billion, thirteen million, seven hundred sixty-three thousand, four hundred forty-one".