8105128 has 16 divisors (see below), whose sum is σ = 15238080. Its totient is φ = 4041648.

The previous prime is 8105099. The next prime is 8105129. The reversal of 8105128 is 8215018.

It is not an unprimeable number, because it can be changed into a prime (8105129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2401 + ... + 4687.

It is an arithmetic number, because the mean of its divisors is an integer number (952380).

Almost surely, 2^8105128 is an apocalyptic number.

It is an amenable number.

8105128 is a deficient number, since it is larger than the sum of its proper divisors (7132952).

8105128 is a wasteful number, since it uses less digits than its factorization.

8105128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 8105128 is about 2846.9506493791. The cubic root of 8105128 is about 200.8722569752.

The spelling of 8105128 in words is "eight million, one hundred five thousand, one hundred twenty-eight".