3012109 has 2 divisors, whose sum is σ = 3012110. Its totient is φ = 3012108.

The previous prime is 3012101. The next prime is 3012131. The reversal of 3012109 is 9012103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022084 + 990025 = 1422^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012109 - 2³ = 3012101 is a prime.

It is an Ulam number.

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

It is a junction number, because it is equal to n+sod(n) for n = 3012092 and 3012101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012101) 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 as a sum of consecutive naturals, namely, 1506054 + 1506055.

It is an arithmetic number, because the mean of its divisors is an integer number (1506055).

Almost surely, 2^3012109 is an apocalyptic number.

It is an amenable number.

3012109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012109 is an equidigital number, since it uses as much as digits as its factorization.

3012109 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3012109 is about 1735.5428545559. The cubic root of 3012109 is about 144.4187432028.

The spelling of 3012109 in words is "three million, twelve thousand, one hundred nine".