128064533 has 2 divisors, whose sum is σ = 128064534. Its totient is φ = 128064532.

The previous prime is 128064527. The next prime is 128064539. The reversal of 128064533 is 335460821.

It is a balanced prime because it is at equal distance from previous prime (128064527) and next prime (128064539).

It can be written as a sum of positive squares in only one way, i.e., 81306289 + 46758244 = 9017^2 + 6838^2 .

It is a cyclic number.

It is not a de Polignac number, because 128064533 - 2¹⁴ = 128048149 is a prime.

It is a super-2 number, since 2×128064533² = 32801049225016178, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 128064533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128064539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64032266 + 64032267.

It is an arithmetic number, because the mean of its divisors is an integer number (64032267).

Almost surely, 2^128064533 is an apocalyptic number.

It is an amenable number.

128064533 is a deficient number, since it is larger than the sum of its proper divisors (1).

128064533 is an equidigital number, since it uses as much as digits as its factorization.

128064533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 128064533 is about 11316.5601222280. The cubic root of 128064533 is about 504.0530999840.

The spelling of 128064533 in words is "one hundred twenty-eight million, sixty-four thousand, five hundred thirty-three".