2109055 has 16 divisors (see below), whose sum is σ = 2769984. Its totient is φ = 1532160.

The previous prime is 2109053. The next prime is 2109059. The reversal of 2109055 is 5509012.

It is not a de Polignac number, because 2109055 - 2¹ = 2109053 is a prime.

It is a super-2 number, since 2×2109055² = 8896225986050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4387 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (173124).

2^2109055 is an apocalyptic number.

2109055 is a deficient number, since it is larger than the sum of its proper divisors (660929).

2109055 is a wasteful number, since it uses less digits than its factorization.

2109055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 2109055 is about 1452.2585857897. The cubic root of 2109055 is about 128.2417104307.

The spelling of 2109055 in words is "two million, one hundred nine thousand, fifty-five".