128332079 has 2 divisors, whose sum is σ = 128332080. Its totient is φ = 128332078.

The previous prime is 128332049. The next prime is 128332093. The reversal of 128332079 is 970233821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128332079 - 2¹⁶ = 128266543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128332049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64166039 + 64166040.

It is an arithmetic number, because the mean of its divisors is an integer number (64166040).

Almost surely, 2^128332079 is an apocalyptic number.

128332079 is a deficient number, since it is larger than the sum of its proper divisors (1).

128332079 is an equidigital number, since it uses as much as digits as its factorization.

128332079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 128332079 is about 11328.3749496563. The cubic root of 128332079 is about 504.4038699798.

The spelling of 128332079 in words is "one hundred twenty-eight million, three hundred thirty-two thousand, seventy-nine".