104861 has 4 divisors (see below), whose sum is σ = 110400. Its totient is φ = 99324.

The previous prime is 104851. The next prime is 104869. The reversal of 104861 is 168401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 168401 = 47 ⋅3583.

It is a cyclic number.

It is not a de Polignac number, because 104861 - 2¹⁰ = 103837 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2741 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (27600).

2¹⁰⁴⁸⁶¹ is an apocalyptic number.

It is an amenable number.

104861 is a deficient number, since it is larger than the sum of its proper divisors (5539).

104861 is an equidigital number, since it uses as much as digits as its factorization.

104861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 104861 is about 323.8224822337. The cubic root of 104861 is about 47.1561128494.

The spelling of 104861 in words is "one hundred four thousand, eight hundred sixty-one".