128485033 has 2 divisors, whose sum is σ = 128485034. Its totient is φ = 128485032.

The previous prime is 128485003. The next prime is 128485069. The reversal of 128485033 is 330584821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123832384 + 4652649 = 11128^2 + 2157^2 .

It is a cyclic number.

It is not a de Polignac number, because 128485033 - 2⁵ = 128485001 is a prime.

It is a super-2 number, since 2×128485033² = 33016807410022178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128485033.

It is not a weakly prime, because it can be changed into another prime (128485003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64242516 + 64242517.

It is an arithmetic number, because the mean of its divisors is an integer number (64242517).

Almost surely, 2^128485033 is an apocalyptic number.

It is an amenable number.

128485033 is a deficient number, since it is larger than the sum of its proper divisors (1).

128485033 is an equidigital number, since it uses as much as digits as its factorization.

128485033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 128485033 is about 11335.1238634609. The cubic root of 128485033 is about 504.6041835192.

The spelling of 128485033 in words is "one hundred twenty-eight million, four hundred eighty-five thousand, thirty-three".