8105122 has 4 divisors (see below), whose sum is σ = 12157686. Its totient is φ = 4052560.

The previous prime is 8105099. The next prime is 8105129. The reversal of 8105122 is 2215018.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7901721 + 203401 = 2811^2 + 451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8105122.

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 as a sum of consecutive naturals, namely, 2026279 + ... + 2026282.

Almost surely, 2^8105122 is an apocalyptic number.

8105122 is a deficient number, since it is larger than the sum of its proper divisors (4052564).

8105122 is a wasteful number, since it uses less digits than its factorization.

8105122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052563.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 8105122 is about 2846.9495956198. The cubic root of 8105122 is about 200.8722074084.

The spelling of 8105122 in words is "eight million, one hundred five thousand, one hundred twenty-two".