8110921 has 32 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 5983488.

The previous prime is 8110919. The next prime is 8110939. The reversal of 8110921 is 1290118.

It is not a de Polignac number, because 8110921 - 2¹ = 8110919 is a prime.

8110921 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8110892 and 8110901.

It is not an unprimeable number, because it can be changed into a prime (8110901) 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 31 ways as a sum of consecutive naturals, for example, 75750 + ... + 75856.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^8110921 is an apocalyptic number.

It is an amenable number.

8110921 is a deficient number, since it is larger than the sum of its proper divisors (2775479).

8110921 is a wasteful number, since it uses less digits than its factorization.

8110921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 8110921 is about 2847.9678720098. The cubic root of 8110921 is about 200.9201022348.

The spelling of 8110921 in words is "eight million, one hundred ten thousand, nine hundred twenty-one".