104887 has 4 divisors (see below), whose sum is σ = 106920. Its totient is φ = 102856.

The previous prime is 104879. The next prime is 104891. The reversal of 104887 is 788401.

104887 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788401 = 113 ⋅6977.

It is a cyclic number.

It is not a de Polignac number, because 104887 - 2³ = 104879 is a prime.

It is a super-2 number, since 2×104887² = 22002565538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937 + ... + 1042.

It is an arithmetic number, because the mean of its divisors is an integer number (26730).

2¹⁰⁴⁸⁸⁷ is an apocalyptic number.

104887 is a deficient number, since it is larger than the sum of its proper divisors (2033).

104887 is an equidigital number, since it uses as much as digits as its factorization.

104887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 104887 is about 323.8626251978. The cubic root of 104887 is about 47.1600099374.

The spelling of 104887 in words is "one hundred four thousand, eight hundred eighty-seven".