104785 has 8 divisors (see below), whose sum is σ = 132480. Its totient is φ = 79344.

The previous prime is 104779. The next prime is 104789. The reversal of 104785 is 587401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-104785 is a prime.

104785 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (104789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457 + ... + 646.

It is an arithmetic number, because the mean of its divisors is an integer number (16560).

2¹⁰⁴⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

104785 is a deficient number, since it is larger than the sum of its proper divisors (27695).

104785 is a wasteful number, since it uses less digits than its factorization.

104785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 104785 is about 323.7051127184. The cubic root of 104785 is about 47.1447176667.

The spelling of 104785 in words is "one hundred four thousand, seven hundred eighty-five".