9012109 has 4 divisors (see below), whose sum is σ = 9203904. Its totient is φ = 8820316.

The previous prime is 9012097. The next prime is 9012121.

9012109 is nontrivially palindromic in base 10.

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.

It is an interprime number because it is at equal distance from previous prime (9012097) and next prime (9012121).

It is a cyclic number.

It is not a de Polignac number, because 9012109 - 2⁵ = 9012077 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

9012109 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9012109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9012149) 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, 95827 + ... + 95920.

It is an arithmetic number, because the mean of its divisors is an integer number (2300976).

Almost surely, 2^9012109 is an apocalyptic number.

It is an amenable number.

9012109 is a deficient number, since it is larger than the sum of its proper divisors (191795).

9012109 is a wasteful number, since it uses less digits than its factorization.

9012109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191794.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 9012109 is about 3002.0174882902. The cubic root of 9012109 is about 208.1016284060.

The spelling of 9012109 in words is "nine million, twelve thousand, one hundred nine".