127442510137 has 2 divisors, whose sum is σ = 127442510138. Its totient is φ = 127442510136.

The previous prime is 127442510071. The next prime is 127442510141. The reversal of 127442510137 is 731015244721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118371090601 + 9071419536 = 344051^2 + 95244^2 .

It is a cyclic number.

It is not a de Polignac number, because 127442510137 - 2⁷ = 127442510009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127442510096 and 127442510105.

It is not a weakly prime, because it can be changed into another prime (127442510197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63721255068 + 63721255069.

It is an arithmetic number, because the mean of its divisors is an integer number (63721255069).

Almost surely, 2^127442510137 is an apocalyptic number.

It is an amenable number.

127442510137 is a deficient number, since it is larger than the sum of its proper divisors (1).

127442510137 is an equidigital number, since it uses as much as digits as its factorization.

127442510137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 127442510137 its reverse (731015244721), we get a palindrome (858457754858).

The spelling of 127442510137 in words is "one hundred twenty-seven billion, four hundred forty-two million, five hundred ten thousand, one hundred thirty-seven".