8112081 has 4 divisors (see below), whose sum is σ = 10816112. Its totient is φ = 5408052.

The previous prime is 8112073. The next prime is 8112089. The reversal of 8112081 is 1802118.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8112073) and next prime (8112089).

It is not a de Polignac number, because 8112081 - 2³ = 8112073 is a prime.

It is a super-2 number, since 2×8112081² = 131611716301122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8112089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352011 + ... + 1352016.

It is an arithmetic number, because the mean of its divisors is an integer number (2704028).

Almost surely, 2^8112081 is an apocalyptic number.

It is an amenable number.

8112081 is a deficient number, since it is larger than the sum of its proper divisors (2704031).

8112081 is a wasteful number, since it uses less digits than its factorization.

8112081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704030.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 8112081 is about 2848.1715187116. The cubic root of 8112081 is about 200.9296801117.

Adding to 8112081 its reverse (1802118), we get a palindrome (9914199).

The spelling of 8112081 in words is "eight million, one hundred twelve thousand, eighty-one".