127940159 has 2 divisors, whose sum is σ = 127940160. Its totient is φ = 127940158.

The previous prime is 127940123. The next prime is 127940177. The reversal of 127940159 is 951049721.

It is a strong prime.

It is an emirp because it is prime and its reverse (951049721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127940159 - 2¹⁶ = 127874623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127940359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63970079 + 63970080.

It is an arithmetic number, because the mean of its divisors is an integer number (63970080).

Almost surely, 2^127940159 is an apocalyptic number.

127940159 is a deficient number, since it is larger than the sum of its proper divisors (1).

127940159 is an equidigital number, since it uses as much as digits as its factorization.

127940159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 127940159 is about 11311.0635662611. The cubic root of 127940159 is about 503.8898713248.

The spelling of 127940159 in words is "one hundred twenty-seven million, nine hundred forty thousand, one hundred fifty-nine".