127672553 has 2 divisors, whose sum is σ = 127672554. Its totient is φ = 127672552.

The previous prime is 127672549. The next prime is 127672579. The reversal of 127672553 is 355276721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79619929 + 48052624 = 8923^2 + 6932^2 .

It is an emirp because it is prime and its reverse (355276721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127672553 - 2² = 127672549 is a prime.

It is not a weakly prime, because it can be changed into another prime (127672543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63836276 + 63836277.

It is an arithmetic number, because the mean of its divisors is an integer number (63836277).

Almost surely, 2^127672553 is an apocalyptic number.

It is an amenable number.

127672553 is a deficient number, since it is larger than the sum of its proper divisors (1).

127672553 is an equidigital number, since it uses as much as digits as its factorization.

127672553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 38.

The square root of 127672553 is about 11299.2279824774. The cubic root of 127672553 is about 503.5383057210.

The spelling of 127672553 in words is "one hundred twenty-seven million, six hundred seventy-two thousand, five hundred fifty-three".