128008045597 has 2 divisors, whose sum is σ = 128008045598. Its totient is φ = 128008045596.

The previous prime is 128008045537. The next prime is 128008045603. The reversal of 128008045597 is 795540800821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122616227556 + 5391818041 = 350166^2 + 73429^2 .

It is a cyclic number.

It is not a de Polignac number, because 128008045597 - 2²⁷ = 127873827869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128008045597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128008045537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64004022798 + 64004022799.

It is an arithmetic number, because the mean of its divisors is an integer number (64004022799).

Almost surely, 2^128008045597 is an apocalyptic number.

It is an amenable number.

128008045597 is a deficient number, since it is larger than the sum of its proper divisors (1).

128008045597 is an equidigital number, since it uses as much as digits as its factorization.

128008045597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 128008045597 in words is "one hundred twenty-eight billion, eight million, forty-five thousand, five hundred ninety-seven".