128835055 has 8 divisors (see below), whose sum is σ = 157222800. Its totient is φ = 101320896.

The previous prime is 128835053. The next prime is 128835059. The reversal of 128835055 is 550538821.

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 128835055 - 2¹ = 128835053 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128835053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218070 + ... + 218659.

It is an arithmetic number, because the mean of its divisors is an integer number (19652850).

Almost surely, 2^128835055 is an apocalyptic number.

128835055 is a deficient number, since it is larger than the sum of its proper divisors (28387745).

128835055 is an equidigital number, since it uses as much as digits as its factorization.

128835055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436793.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 128835055 is about 11350.5530702253. The cubic root of 128835055 is about 505.0619863133.

The spelling of 128835055 in words is "one hundred twenty-eight million, eight hundred thirty-five thousand, fifty-five".