2109019 has 8 divisors (see below), whose sum is σ = 2422080. Its totient is φ = 1816200.

The previous prime is 2109013. The next prime is 2109049. The reversal of 2109019 is 9109012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2109019 - 2³ = 2109011 is a prime.

It is a super-2 number, since 2×2109019² = 8895922284722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4837 + ... + 5254.

It is an arithmetic number, because the mean of its divisors is an integer number (302760).

2^2109019 is an apocalyptic number.

2109019 is a deficient number, since it is larger than the sum of its proper divisors (313061).

2109019 is a wasteful number, since it uses less digits than its factorization.

2109019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121.

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

The square root of 2109019 is about 1452.2461912500. The cubic root of 2109019 is about 128.2409807630.

It can be divided in two parts, 210 and 9019, that added together give a palindrome (9229).

The spelling of 2109019 in words is "two million, one hundred nine thousand, nineteen".