1000110109 has 4 divisors (see below), whose sum is σ = 1000175580. Its totient is φ = 1000044640.

The previous prime is 1000110101. The next prime is 1000110149. The reversal of 1000110109 is 9010110001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9010110001 = 1181 ⋅7629221.

It can be written as a sum of positive squares in 2 ways, for example, as 408161209 + 591948900 = 20203^2 + 24330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000110109 - 2³ = 1000110101 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 (1000110101) 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 3 ways as a sum of consecutive naturals, for example, 3687 + ... + 44875.

It is an arithmetic number, because the mean of its divisors is an integer number (250043895).

Almost surely, 2^1000110109 is an apocalyptic number.

It is an amenable number.

1000110109 is a deficient number, since it is larger than the sum of its proper divisors (65471).

1000110109 is an equidigital number, since it uses as much as digits as its factorization.

1000110109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65470.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1000110109 is about 31624.5175299166. The cubic root of 1000110109 is about 1000.0367016530.

The spelling of 1000110109 in words is "one billion, one hundred ten thousand, one hundred nine".