128116039 has 2 divisors, whose sum is σ = 128116040. Its totient is φ = 128116038.

The previous prime is 128116033. The next prime is 128116067. The reversal of 128116039 is 930611821.

It is a weak prime.

It is an emirp because it is prime and its reverse (930611821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128116039 - 2⁵ = 128116007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128116039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128116033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64058019 + 64058020.

It is an arithmetic number, because the mean of its divisors is an integer number (64058020).

Almost surely, 2^128116039 is an apocalyptic number.

128116039 is a deficient number, since it is larger than the sum of its proper divisors (1).

128116039 is an equidigital number, since it uses as much as digits as its factorization.

128116039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 128116039 is about 11318.8355849884. The cubic root of 128116039 is about 504.1206656054.

The spelling of 128116039 in words is "one hundred twenty-eight million, one hundred sixteen thousand, thirty-nine".