8101243 has 4 divisors (see below), whose sum is σ = 8289688. Its totient is φ = 7912800.

The previous prime is 8101241. The next prime is 8101253. The reversal of 8101243 is 3421018.

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

It is a cyclic number.

It is not a de Polignac number, because 8101243 - 2¹ = 8101241 is a prime.

It is a Duffinian number.

8101243 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8101243.

It is not an unprimeable number, because it can be changed into a prime (8101241) 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 3 ways as a sum of consecutive naturals, for example, 94158 + ... + 94243.

It is an arithmetic number, because the mean of its divisors is an integer number (2072422).

Almost surely, 2^8101243 is an apocalyptic number.

8101243 is a deficient number, since it is larger than the sum of its proper divisors (188445).

8101243 is a wasteful number, since it uses less digits than its factorization.

8101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188444.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 8101243 is about 2846.2682586151. The cubic root of 8101243 is about 200.8401574024.

The spelling of 8101243 in words is "eight million, one hundred one thousand, two hundred forty-three".