127742674651297 has 2 divisors, whose sum is σ = 127742674651298. Its totient is φ = 127742674651296.

The previous prime is 127742674651259. The next prime is 127742674651343. The reversal of 127742674651297 is 792156476247721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94631960586816 + 33110714064481 = 9727896^2 + 5754191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127742674651297 is a prime.

It is not a weakly prime, because it can be changed into another prime (127742674651237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63871337325648 + 63871337325649.

It is an arithmetic number, because the mean of its divisors is an integer number (63871337325649).

Almost surely, 2^{127742674651297} is an apocalyptic number.

It is an amenable number.

127742674651297 is a deficient number, since it is larger than the sum of its proper divisors (1).

127742674651297 is an equidigital number, since it uses as much as digits as its factorization.

127742674651297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497871360, while the sum is 70.

The spelling of 127742674651297 in words is "one hundred twenty-seven trillion, seven hundred forty-two billion, six hundred seventy-four million, six hundred fifty-one thousand, two hundred ninety-seven".