128104090 has 32 divisors (see below), whose sum is σ = 243855360. Its totient is φ = 48374400.

The previous prime is 128104073. The next prime is 128104111. The reversal of 128104090 is 90401821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7671 + ... + 17749.

It is an arithmetic number, because the mean of its divisors is an integer number (7620480).

Almost surely, 2^128104090 is an apocalyptic number.

128104090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128104090 is a deficient number, since it is larger than the sum of its proper divisors (115751270).

128104090 is a wasteful number, since it uses less digits than its factorization.

128104090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 128104090 is about 11318.3077356997. The cubic root of 128104090 is about 504.1049925089.

It can be divided in two parts, 12810 and 4090, that added together give a square (16900 = 130²).

The spelling of 128104090 in words is "one hundred twenty-eight million, one hundred four thousand, ninety".