104012287 has 2 divisors, whose sum is σ = 104012288. Its totient is φ = 104012286.

The previous prime is 104012267. The next prime is 104012309. The reversal of 104012287 is 782210401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104012287 - 2⁷ = 104012159 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104012267) 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, 52006143 + 52006144.

It is an arithmetic number, because the mean of its divisors is an integer number (52006144).

Almost surely, 2^104012287 is an apocalyptic number.

104012287 is a deficient number, since it is larger than the sum of its proper divisors (1).

104012287 is an equidigital number, since it uses as much as digits as its factorization.

104012287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 104012287 is about 10198.6414291316. The cubic root of 104012287 is about 470.2854565901.

Adding to 104012287 its reverse (782210401), we get a palindrome (886222688).

The spelling of 104012287 in words is "one hundred four million, twelve thousand, two hundred eighty-seven".