3112009 has 4 divisors (see below), whose sum is σ = 3128004. Its totient is φ = 3096016.

The previous prime is 3112007. The next prime is 3112069. The reversal of 3112009 is 9002113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2755600 + 356409 = 1660^2 + 597^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112009 - 2¹ = 3112007 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3111983 and 3112001.

It is not an unprimeable number, because it can be changed into a prime (3112007) 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, 7702 + ... + 8095.

It is an arithmetic number, because the mean of its divisors is an integer number (782001).

Almost surely, 2^3112009 is an apocalyptic number.

It is an amenable number.

3112009 is a deficient number, since it is larger than the sum of its proper divisors (15995).

3112009 is a wasteful number, since it uses less digits than its factorization.

3112009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15994.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3112009 is about 1764.0887165900. The cubic root of 3112009 is about 145.9980139844.

The spelling of 3112009 in words is "three million, one hundred twelve thousand, nine".