128234099 has 8 divisors (see below), whose sum is σ = 146737920. Its totient is φ = 109776456.

The previous prime is 128234089. The next prime is 128234149. The reversal of 128234099 is 990432821.

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 128234099 - 2⁸ = 128233843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128234089) 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, 5369 + ... + 16890.

It is an arithmetic number, because the mean of its divisors is an integer number (18342240).

Almost surely, 2^128234099 is an apocalyptic number.

128234099 is a deficient number, since it is larger than the sum of its proper divisors (18503821).

128234099 is an equidigital number, since it uses as much as digits as its factorization.

128234099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23089.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 128234099 is about 11324.0495848438. The cubic root of 128234099 is about 504.2754685323.

The spelling of 128234099 in words is "one hundred twenty-eight million, two hundred thirty-four thousand, ninety-nine".