128808104 has 8 divisors (see below), whose sum is σ = 241515210. Its totient is φ = 64404048.

The previous prime is 128808089. The next prime is 128808109. The reversal of 128808104 is 401808821.

It can be written as a sum of positive squares in only one way, i.e., 115132900 + 13675204 = 10730^2 + 3698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (128808109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8050499 + ... + 8050514.

Almost surely, 2^128808104 is an apocalyptic number.

It is an amenable number.

128808104 is a deficient number, since it is larger than the sum of its proper divisors (112707106).

128808104 is a wasteful number, since it uses less digits than its factorization.

128808104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16101019 (or 16101015 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 128808104 is about 11349.3657972593. The cubic root of 128808104 is about 505.0267658917.

The spelling of 128808104 in words is "one hundred twenty-eight million, eight hundred eight thousand, one hundred four".