127031473537 has 2 divisors, whose sum is σ = 127031473538. Its totient is φ = 127031473536.

The previous prime is 127031473511. The next prime is 127031473549. The reversal of 127031473537 is 735374130721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103098145921 + 23933327616 = 321089^2 + 154704^2 .

It is a cyclic number.

It is not a de Polignac number, because 127031473537 - 2¹⁹ = 127030949249 is a prime.

It is a super-2 number, since 2×127031473537² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127031473493 and 127031473502.

It is not a weakly prime, because it can be changed into another prime (127031473837) 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, 63515736768 + 63515736769.

It is an arithmetic number, because the mean of its divisors is an integer number (63515736769).

Almost surely, 2^127031473537 is an apocalyptic number.

It is an amenable number.

127031473537 is a deficient number, since it is larger than the sum of its proper divisors (1).

127031473537 is an equidigital number, since it uses as much as digits as its factorization.

127031473537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 43.

The spelling of 127031473537 in words is "one hundred twenty-seven billion, thirty-one million, four hundred seventy-three thousand, five hundred thirty-seven".