8126281 has 8 divisors (see below), whose sum is σ = 8658720. Its totient is φ = 7604352.

The previous prime is 8126263. The next prime is 8126297. The reversal of 8126281 is 1826218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8126281 is a prime.

It is a super-2 number, since 2×8126281² = 132072885781922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8126201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (1082340).

Almost surely, 2^8126281 is an apocalyptic number.

It is an amenable number.

8126281 is a deficient number, since it is larger than the sum of its proper divisors (532439).

8126281 is a wasteful number, since it uses less digits than its factorization.

8126281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255.

The product of its digits is 1536, while the sum is 28.

The square root of 8126281 is about 2850.6632561564. The cubic root of 8126281 is about 201.0468526044.

It can be divided in two parts, 81 and 26281, that added together give a palindrome (26362).

The spelling of 8126281 in words is "eight million, one hundred twenty-six thousand, two hundred eighty-one".