4321109 has 4 divisors (see below), whose sum is σ = 4653516. Its totient is φ = 3988704.

The previous prime is 4321103. The next prime is 4321123. The reversal of 4321109 is 9011234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9011234 = 2 ⋅4505617.

It can be written as a sum of positive squares in 2 ways, for example, as 722500 + 3598609 = 850^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321109 - 2⁸ = 4320853 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 (4321103) 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, 166184 + ... + 166209.

It is an arithmetic number, because the mean of its divisors is an integer number (1163379).

Almost surely, 2^4321109 is an apocalyptic number.

It is an amenable number.

4321109 is a deficient number, since it is larger than the sum of its proper divisors (332407).

4321109 is a wasteful number, since it uses less digits than its factorization.

4321109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332406.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 4321109 is about 2078.7277359000. The cubic root of 4321109 is about 162.8789923271.

The spelling of 4321109 in words is "four million, three hundred twenty-one thousand, one hundred nine".