128102833 has 2 divisors, whose sum is σ = 128102834. Its totient is φ = 128102832.

The previous prime is 128102791. The next prime is 128102839. The reversal of 128102833 is 338201821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126495009 + 1607824 = 11247^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 128102833 - 2⁹ = 128102321 is a prime.

It is not a weakly prime, because it can be changed into another prime (128102839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64051416 + 64051417.

It is an arithmetic number, because the mean of its divisors is an integer number (64051417).

Almost surely, 2^128102833 is an apocalyptic number.

It is an amenable number.

128102833 is a deficient number, since it is larger than the sum of its proper divisors (1).

128102833 is an equidigital number, since it uses as much as digits as its factorization.

128102833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 128102833 is about 11318.2522060608. The cubic root of 128102833 is about 504.1033436881.

The spelling of 128102833 in words is "one hundred twenty-eight million, one hundred two thousand, eight hundred thirty-three".