128055082234 has 4 divisors (see below), whose sum is σ = 192082623354. Its totient is φ = 64027541116.

The previous prime is 128055082217. The next prime is 128055082237. The reversal of 128055082234 is 432280550821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432280550821 = 7 ⋅61754364403.

It can be written as a sum of positive squares in only one way, i.e., 121628655009 + 6426427225 = 348753^2 + 80165^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (128055082237) 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, 32013770557 + ... + 32013770560.

Almost surely, 2^128055082234 is an apocalyptic number.

128055082234 is a deficient number, since it is larger than the sum of its proper divisors (64027541120).

128055082234 is an equidigital number, since it uses as much as digits as its factorization.

128055082234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64027541119.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 128055082234 in words is "one hundred twenty-eight billion, fifty-five million, eighty-two thousand, two hundred thirty-four".