4026109 has 2 divisors, whose sum is σ = 4026110. Its totient is φ = 4026108.

The previous prime is 4026107. The next prime is 4026131. The reversal of 4026109 is 9016204.

It is an a-pointer prime, because the next prime (4026131) can be obtained adding 4026109 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4020025 + 6084 = 2005^2 + 78^2 .

It is a cyclic number.

It is not a de Polignac number, because 4026109 - 2¹ = 4026107 is a prime.

Together with 4026107, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4026109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4026103) 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 as a sum of consecutive naturals, namely, 2013054 + 2013055.

It is an arithmetic number, because the mean of its divisors is an integer number (2013055).

Almost surely, 2^4026109 is an apocalyptic number.

It is an amenable number.

4026109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4026109 is an equidigital number, since it uses as much as digits as its factorization.

4026109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4026109 is about 2006.5166333724. The cubic root of 4026109 is about 159.0847352360.

It can be divided in two parts, 4026 and 109, that multiplied together give a palindrome (438834).

The spelling of 4026109 in words is "four million, twenty-six thousand, one hundred nine".