2117043 has 16 divisors (see below), whose sum is σ = 3175200. Its totient is φ = 1393920.

The previous prime is 2117041. The next prime is 2117051. The reversal of 2117043 is 3407112.

It is not a de Polignac number, because 2117043 - 2¹ = 2117041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2117041) 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, 1963 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (198450).

2^2117043 is an apocalyptic number.

2117043 is a deficient number, since it is larger than the sum of its proper divisors (1058157).

2117043 is an equidigital number, since it uses as much as digits as its factorization.

2117043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2117043 is about 1455.0061855539. The cubic root of 2117043 is about 128.4034106876.

Subtracting from 2117043 its sum of digits (18), we obtain a square (2117025 = 1455²).

The spelling of 2117043 in words is "two million, one hundred seventeen thousand, forty-three".