287107 has 2 divisors, whose sum is σ = 287108. Its totient is φ = 287106.

The previous prime is 287099. The next prime is 287117. The reversal of 287107 is 701782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 287107 - 2³ = 287099 is a prime.

It is not a weakly prime, because it can be changed into another prime (287117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143553 + 143554.

It is an arithmetic number, because the mean of its divisors is an integer number (143554).

2²⁸⁷¹⁰⁷ is an apocalyptic number.

287107 is a deficient number, since it is larger than the sum of its proper divisors (1).

287107 is an equidigital number, since it uses as much as digits as its factorization.

287107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 287107 is about 535.8236650242. The cubic root of 287107 is about 65.9702191935.

Adding to 287107 its reverse (701782), we get a palindrome (988889).

The spelling of 287107 in words is "two hundred eighty-seven thousand, one hundred seven".