127090257631 has 2 divisors, whose sum is σ = 127090257632. Its totient is φ = 127090257630.

The previous prime is 127090257589. The next prime is 127090257643. The reversal of 127090257631 is 136752090721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127090257631 - 2¹³ = 127090249439 is a prime.

It is a super-2 number, since 2×127090257631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127090257131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63545128815 + 63545128816.

It is an arithmetic number, because the mean of its divisors is an integer number (63545128816).

Almost surely, 2^127090257631 is an apocalyptic number.

127090257631 is a deficient number, since it is larger than the sum of its proper divisors (1).

127090257631 is an equidigital number, since it uses as much as digits as its factorization.

127090257631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 127090257631 in words is "one hundred twenty-seven billion, ninety million, two hundred fifty-seven thousand, six hundred thirty-one".