127090257589 has 2 divisors, whose sum is σ = 127090257590. Its totient is φ = 127090257588.

The previous prime is 127090257571. The next prime is 127090257631. The reversal of 127090257589 is 985752090721.

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., 122293587025 + 4796670564 = 349705^2 + 69258^2 .

It is an emirp because it is prime and its reverse (985752090721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127090257589 - 2⁵ = 127090257557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127090257389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63545128794 + 63545128795.

It is an arithmetic number, because the mean of its divisors is an integer number (63545128795).

Almost surely, 2^127090257589 is an apocalyptic number.

It is an amenable number.

127090257589 is a deficient number, since it is larger than the sum of its proper divisors (1).

127090257589 is an equidigital number, since it uses as much as digits as its factorization.

127090257589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 127090257589 in words is "one hundred twenty-seven billion, ninety million, two hundred fifty-seven thousand, five hundred eighty-nine".