128235235 has 8 divisors (see below), whose sum is σ = 160572960. Its totient is φ = 98127744.

The previous prime is 128235227. The next prime is 128235241. The reversal of 128235235 is 532532821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128235235 - 2³ = 128235227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128235197 and 128235206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557430 + ... + 557659.

It is an arithmetic number, because the mean of its divisors is an integer number (20071620).

Almost surely, 2^128235235 is an apocalyptic number.

128235235 is a deficient number, since it is larger than the sum of its proper divisors (32337725).

128235235 is a wasteful number, since it uses less digits than its factorization.

128235235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115117.

The product of its digits is 14400, while the sum is 31.

The square root of 128235235 is about 11324.0997434675. The cubic root of 128235235 is about 504.2769576195.

The spelling of 128235235 in words is "one hundred twenty-eight million, two hundred thirty-five thousand, two hundred thirty-five".