100001109 has 16 divisors (see below), whose sum is σ = 144550784. Its totient is φ = 61128000.

The previous prime is 100001107. The next prime is 100001119. The reversal of 100001109 is 901100001.

It is not a de Polignac number, because 100001109 - 2¹ = 100001107 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100001094 and 100001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2602 + ... + 14379.

It is an arithmetic number, because the mean of its divisors is an integer number (9034424).

Almost surely, 2^100001109 is an apocalyptic number.

It is an amenable number.

100001109 is a deficient number, since it is larger than the sum of its proper divisors (44549675).

100001109 is a wasteful number, since it uses less digits than its factorization.

100001109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17148.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 100001109 is about 10000.0554498463. The cubic root of 100001109 is about 464.1605991956.

The spelling of 100001109 in words is "one hundred million, one thousand, one hundred nine".