128804011 has 8 divisors (see below), whose sum is σ = 149278464. Its totient is φ = 108848040.

The previous prime is 128804003. The next prime is 128804023. The reversal of 128804011 is 110408821.

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

It is not a de Polignac number, because 128804011 - 2³ = 128804003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128804041) 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, 129085 + ... + 130078.

It is an arithmetic number, because the mean of its divisors is an integer number (18659808).

Almost surely, 2^128804011 is an apocalyptic number.

128804011 is a deficient number, since it is larger than the sum of its proper divisors (20474453).

128804011 is an equidigital number, since it uses as much as digits as its factorization.

128804011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259241.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 128804011 is about 11349.1854773812. The cubic root of 128804011 is about 505.0214165998.

The spelling of 128804011 in words is "one hundred twenty-eight million, eight hundred four thousand, eleven".