127968037 has 2 divisors, whose sum is σ = 127968038. Its totient is φ = 127968036.

The previous prime is 127968019. The next prime is 127968073. The reversal of 127968037 is 730869721.

It is a happy number.

Together with next prime (127968073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86378436 + 41589601 = 9294^2 + 6449^2 .

It is an emirp because it is prime and its reverse (730869721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127968037 - 2²³ = 119579429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127967984 and 127968002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127968007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63984018 + 63984019.

It is an arithmetic number, because the mean of its divisors is an integer number (63984019).

Almost surely, 2^127968037 is an apocalyptic number.

It is an amenable number.

127968037 is a deficient number, since it is larger than the sum of its proper divisors (1).

127968037 is an equidigital number, since it uses as much as digits as its factorization.

127968037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 127968037 is about 11312.2958324117. The cubic root of 127968037 is about 503.9264676569.

The spelling of 127968037 in words is "one hundred twenty-seven million, nine hundred sixty-eight thousand, thirty-seven".