8101287 has 6 divisors (see below), whose sum is σ = 11701872. Its totient is φ = 5400852.

The previous prime is 8101283. The next prime is 8101297. The reversal of 8101287 is 7821018.

It is not a de Polignac number, because 8101287 - 2² = 8101283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8101287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8101283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450063 + ... + 450080.

It is an arithmetic number, because the mean of its divisors is an integer number (1950312).

Almost surely, 2^8101287 is an apocalyptic number.

8101287 is a deficient number, since it is larger than the sum of its proper divisors (3600585).

8101287 is a wasteful number, since it uses less digits than its factorization.

8101287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900149 (or 900146 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 8101287 is about 2846.2759880236. The cubic root of 8101287 is about 200.8405210071.

The spelling of 8101287 in words is "eight million, one hundred one thousand, two hundred eighty-seven".