2119091 has 6 divisors (see below), whose sum is σ = 2294820. Its totient is φ = 1955928.

The previous prime is 2119087. The next prime is 2119093. The reversal of 2119091 is 1909112.

It is not a de Polignac number, because 2119091 - 2² = 2119087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2119093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6101 + ... + 6438.

It is an arithmetic number, because the mean of its divisors is an integer number (382470).

2^2119091 is an apocalyptic number.

2119091 is a deficient number, since it is larger than the sum of its proper divisors (175729).

2119091 is a wasteful number, since it uses less digits than its factorization.

2119091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12565 (or 12552 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 2119091 is about 1455.7097925067. The cubic root of 2119091 is about 128.4448026091. Note that the first 3 decimals are identical.

The spelling of 2119091 in words is "two million, one hundred nineteen thousand, ninety-one".