2119445 has 8 divisors (see below), whose sum is σ = 2585400. Its totient is φ = 1667520.

The previous prime is 2119433. The next prime is 2119463. The reversal of 2119445 is 5449112.

It can be written as a sum of positive squares in 4 ways, for example, as 111556 + 2007889 = 334^2 + 1417^2 .

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

It is not a de Polignac number, because 2119445 - 2⁸ = 2119189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3170 + ... + 3779.

It is an arithmetic number, because the mean of its divisors is an integer number (323175).

2^2119445 is an apocalyptic number.

It is an amenable number.

2119445 is a deficient number, since it is larger than the sum of its proper divisors (465955).

2119445 is an equidigital number, since it uses as much as digits as its factorization.

2119445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015.

The product of its digits is 1440, while the sum is 26.

The square root of 2119445 is about 1455.8313775984. The cubic root of 2119445 is about 128.4519545638.

The spelling of 2119445 in words is "two million, one hundred nineteen thousand, four hundred forty-five".