104287 has 2 divisors, whose sum is σ = 104288. Its totient is φ = 104286.

The previous prime is 104281. The next prime is 104297. The reversal of 104287 is 782401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52143 + 52144.

It is an arithmetic number, because the mean of its divisors is an integer number (52144).

2¹⁰⁴²⁸⁷ is an apocalyptic number.

104287 is a deficient number, since it is larger than the sum of its proper divisors (1).

104287 is an equidigital number, since it uses as much as digits as its factorization.

104287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 104287 is about 322.9349779754. The cubic root of 104287 is about 47.0699125522.

Adding to 104287 its reverse (782401), we get a palindrome (886688).

The spelling of 104287 in words is "one hundred four thousand, two hundred eighty-seven".