128022235 has 16 divisors (see below), whose sum is σ = 168986592. Its totient is φ = 93102240.

The previous prime is 128022229. The next prime is 128022263. The reversal of 128022235 is 532220821.

It is not a de Polignac number, because 128022235 - 2³ = 128022227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2964 + ... + 16273.

It is an arithmetic number, because the mean of its divisors is an integer number (10561662).

Almost surely, 2^128022235 is an apocalyptic number.

128022235 is a deficient number, since it is larger than the sum of its proper divisors (40964357).

128022235 is an equidigital number, since it uses as much as digits as its factorization.

128022235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275 (or 19253 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 128022235 is about 11314.6911137689. The cubic root of 128022235 is about 503.9975998773.

The spelling of 128022235 in words is "one hundred twenty-eight million, twenty-two thousand, two hundred thirty-five".