127148557931 has 2 divisors, whose sum is σ = 127148557932. Its totient is φ = 127148557930.

The previous prime is 127148557919. The next prime is 127148557937. The reversal of 127148557931 is 139755841721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127148557931 - 2¹⁴ = 127148541547 is a prime.

It is a super-2 number, since 2×127148557931² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127148557937) 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, 63574278965 + 63574278966.

It is an arithmetic number, because the mean of its divisors is an integer number (63574278966).

Almost surely, 2^127148557931 is an apocalyptic number.

127148557931 is a deficient number, since it is larger than the sum of its proper divisors (1).

127148557931 is an equidigital number, since it uses as much as digits as its factorization.

127148557931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 53.

The spelling of 127148557931 in words is "one hundred twenty-seven billion, one hundred forty-eight million, five hundred fifty-seven thousand, nine hundred thirty-one".