104106109 has 4 divisors (see below), whose sum is σ = 105027516. Its totient is φ = 103184704.

The previous prime is 104106097. The next prime is 104106127. The reversal of 104106109 is 901601401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901601401 = 1051 ⋅857851.

It can be written as a sum of positive squares in 2 ways, for example, as 1651225 + 102454884 = 1285^2 + 10122^2 .

It is a cyclic number.

It is not a de Polignac number, because 104106109 - 2⁹ = 104105597 is a prime.

It is a super-2 number, since 2×104106109² = 21676163862239762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104106109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104106169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460534 + ... + 460759.

It is an arithmetic number, because the mean of its divisors is an integer number (26256879).

Almost surely, 2^104106109 is an apocalyptic number.

It is an amenable number.

104106109 is a deficient number, since it is larger than the sum of its proper divisors (921407).

104106109 is an equidigital number, since it uses as much as digits as its factorization.

104106109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921406.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 104106109 is about 10203.2401226277. The cubic root of 104106109 is about 470.4268176519.

The spelling of 104106109 in words is "one hundred four million, one hundred six thousand, one hundred nine".