104103091 has 4 divisors (see below), whose sum is σ = 104176192. Its totient is φ = 104029992.

The previous prime is 104103049. The next prime is 104103101. The reversal of 104103091 is 190301401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190301401 = 2687 ⋅70823.

It is a cyclic number.

It is not a de Polignac number, because 104103091 - 2¹³ = 104094899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104103001) 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, 34371 + ... + 37276.

It is an arithmetic number, because the mean of its divisors is an integer number (26044048).

Almost surely, 2^104103091 is an apocalyptic number.

104103091 is a deficient number, since it is larger than the sum of its proper divisors (73101).

104103091 is an equidigital number, since it uses as much as digits as its factorization.

104103091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73100.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 104103091 is about 10203.0922273593. The cubic root of 104103091 is about 470.4222717711.

Adding to 104103091 its reverse (190301401), we get a palindrome (294404492).

The spelling of 104103091 in words is "one hundred four million, one hundred three thousand, ninety-one".