127712953601 has 2 divisors, whose sum is σ = 127712953602. Its totient is φ = 127712953600.

The previous prime is 127712953561. The next prime is 127712953661. The reversal of 127712953601 is 106359217721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127075138576 + 637815025 = 356476^2 + 25255^2 .

It is a cyclic number.

It is not a de Polignac number, because 127712953601 - 2¹⁴ = 127712937217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (127712953661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63856476800 + 63856476801.

It is an arithmetic number, because the mean of its divisors is an integer number (63856476801).

Almost surely, 2^127712953601 is an apocalyptic number.

It is an amenable number.

127712953601 is a deficient number, since it is larger than the sum of its proper divisors (1).

127712953601 is an equidigital number, since it uses as much as digits as its factorization.

127712953601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 127712953601 in words is "one hundred twenty-seven billion, seven hundred twelve million, nine hundred fifty-three thousand, six hundred one".