104091 has 16 divisors (see below), whose sum is σ = 159264. Its totient is φ = 59904.

The previous prime is 104089. The next prime is 104107. The reversal of 104091 is 190401.

It is not a de Polignac number, because 104091 - 2¹ = 104089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104091.

It is not an unprimeable number, because it can be changed into a prime (104021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585 + ... + 741.

It is an arithmetic number, because the mean of its divisors is an integer number (9954).

2¹⁰⁴⁰⁹¹ is an apocalyptic number.

104091 is a deficient number, since it is larger than the sum of its proper divisors (55173).

104091 is a wasteful number, since it uses less digits than its factorization.

104091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 104091 is about 322.6313685927. The cubic root of 104091 is about 47.0404058748.

Adding to 104091 its reverse (190401), we get a palindrome (294492).

The spelling of 104091 in words is "one hundred four thousand, ninety-one".