128065033 has 2 divisors, whose sum is σ = 128065034. Its totient is φ = 128065032.

The previous prime is 128065019. The next prime is 128065121. The reversal of 128065033 is 330560821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124367104 + 3697929 = 11152^2 + 1923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128065033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128064992 and 128065010.

It is not a weakly prime, because it can be changed into another prime (128065933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64032516 + 64032517.

It is an arithmetic number, because the mean of its divisors is an integer number (64032517).

Almost surely, 2^128065033 is an apocalyptic number.

It is an amenable number.

128065033 is a deficient number, since it is larger than the sum of its proper divisors (1).

128065033 is an equidigital number, since it uses as much as digits as its factorization.

128065033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 128065033 is about 11316.5822137251. The cubic root of 128065033 is about 504.0537559716.

The spelling of 128065033 in words is "one hundred twenty-eight million, sixty-five thousand, thirty-three".