104135287 has 2 divisors, whose sum is σ = 104135288. Its totient is φ = 104135286.

The previous prime is 104135281. The next prime is 104135323. The reversal of 104135287 is 782531401.

It is a weak prime.

It is an emirp because it is prime and its reverse (782531401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104135287 - 2⁷ = 104135159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104135281) 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 as a sum of consecutive naturals, namely, 52067643 + 52067644.

It is an arithmetic number, because the mean of its divisors is an integer number (52067644).

Almost surely, 2^104135287 is an apocalyptic number.

104135287 is a deficient number, since it is larger than the sum of its proper divisors (1).

104135287 is an equidigital number, since it uses as much as digits as its factorization.

104135287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 104135287 is about 10204.6698623718. The cubic root of 104135287 is about 470.4707626604.

Adding to 104135287 its reverse (782531401), we get a palindrome (886666688).

The spelling of 104135287 in words is "one hundred four million, one hundred thirty-five thousand, two hundred eighty-seven".