104727109 has 4 divisors (see below), whose sum is σ = 104747616. Its totient is φ = 104706604.

The previous prime is 104727071. The next prime is 104727127. The reversal of 104727109 is 901727401.

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: 901727401 = 26591 ⋅33911.

It is a cyclic number.

It is not a de Polignac number, because 104727109 - 2¹⁵ = 104694341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104727199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4182 + ... + 15064.

It is an arithmetic number, because the mean of its divisors is an integer number (26186904).

Almost surely, 2^104727109 is an apocalyptic number.

It is an amenable number.

104727109 is a deficient number, since it is larger than the sum of its proper divisors (20507).

104727109 is an equidigital number, since it uses as much as digits as its factorization.

104727109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20506.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 104727109 is about 10233.6263855976. The cubic root of 104727109 is about 471.3603398868.

The spelling of 104727109 in words is "one hundred four million, seven hundred twenty-seven thousand, one hundred nine".