127150590421 has 2 divisors, whose sum is σ = 127150590422. Its totient is φ = 127150590420.

The previous prime is 127150590409. The next prime is 127150590431. The reversal of 127150590421 is 124095051721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83890750321 + 43259840100 = 289639^2 + 207990^2 .

It is a cyclic number.

It is not a de Polignac number, because 127150590421 - 2⁵ = 127150590389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127150590401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63575295210 + 63575295211.

It is an arithmetic number, because the mean of its divisors is an integer number (63575295211).

Almost surely, 2^127150590421 is an apocalyptic number.

It is an amenable number.

127150590421 is a deficient number, since it is larger than the sum of its proper divisors (1).

127150590421 is an equidigital number, since it uses as much as digits as its factorization.

127150590421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 127150590421 in words is "one hundred twenty-seven billion, one hundred fifty million, five hundred ninety thousand, four hundred twenty-one".