2119871 has 8 divisors (see below), whose sum is σ = 2362080. Its totient is φ = 1888992.

The previous prime is 2119837. The next prime is 2119877. The reversal of 2119871 is 1789112.

2119871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2119871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435 + ... + 3188.

It is an arithmetic number, because the mean of its divisors is an integer number (295260).

2^2119871 is an apocalyptic number.

2119871 is a deficient number, since it is larger than the sum of its proper divisors (242209).

2119871 is a wasteful number, since it uses less digits than its factorization.

2119871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665.

The product of its digits is 1008, while the sum is 29.

The square root of 2119871 is about 1455.9776784003. The cubic root of 2119871 is about 128.4605600976.

The spelling of 2119871 in words is "two million, one hundred nineteen thousand, eight hundred seventy-one".