127999033 has 2 divisors, whose sum is σ = 127999034. Its totient is φ = 127999032.

The previous prime is 127998971. The next prime is 127999043. The reversal of 127999033 is 330999721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75986089 + 52012944 = 8717^2 + 7212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127999033 is a prime.

It is not a weakly prime, because it can be changed into another prime (127999043) 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, 63999516 + 63999517.

It is an arithmetic number, because the mean of its divisors is an integer number (63999517).

Almost surely, 2^127999033 is an apocalyptic number.

It is an amenable number.

127999033 is a deficient number, since it is larger than the sum of its proper divisors (1).

127999033 is an equidigital number, since it uses as much as digits as its factorization.

127999033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 127999033 is about 11313.6657631380. The cubic root of 127999033 is about 503.9671508468.

The spelling of 127999033 in words is "one hundred twenty-seven million, nine hundred ninety-nine thousand, thirty-three".