127168133 has 2 divisors, whose sum is σ = 127168134. Its totient is φ = 127168132.

The previous prime is 127168099. The next prime is 127168141. The reversal of 127168133 is 331861721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85784644 + 41383489 = 9262^2 + 6433^2 .

It is an emirp because it is prime and its reverse (331861721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127168133 - 2⁸ = 127167877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127168133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127168163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63584066 + 63584067.

It is an arithmetic number, because the mean of its divisors is an integer number (63584067).

Almost surely, 2^127168133 is an apocalyptic number.

It is an amenable number.

127168133 is a deficient number, since it is larger than the sum of its proper divisors (1).

127168133 is an equidigital number, since it uses as much as digits as its factorization.

127168133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 127168133 is about 11276.8848978785. The cubic root of 127168133 is about 502.8742892611.

The spelling of 127168133 in words is "one hundred twenty-seven million, one hundred sixty-eight thousand, one hundred thirty-three".