8001231 has 8 divisors (see below), whose sum is σ = 12192384. Its totient is φ = 4572120.

The previous prime is 8001229. The next prime is 8001241. The reversal of 8001231 is 1321008.

It is a happy number.

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

It is not a de Polignac number, because 8001231 - 2¹ = 8001229 is a prime.

It is a super-2 number, since 2×8001231² = 128039395030722, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8001231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8001241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190485 + ... + 190526.

It is an arithmetic number, because the mean of its divisors is an integer number (1524048).

Almost surely, 2^8001231 is an apocalyptic number.

8001231 is a deficient number, since it is larger than the sum of its proper divisors (4191153).

8001231 is a wasteful number, since it uses less digits than its factorization.

8001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381021.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 8001231 is about 2828.6447284875. The cubic root of 8001231 is about 200.0102578072.

Adding to 8001231 its reverse (1321008), we get a palindrome (9322239).

The spelling of 8001231 in words is "eight million, one thousand, two hundred thirty-one".