2117195 has 4 divisors (see below), whose sum is σ = 2540640. Its totient is φ = 1693752.

The previous prime is 2117179. The next prime is 2117233. The reversal of 2117195 is 5917112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2117195 - 2⁴ = 2117179 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211715 + ... + 211724.

It is an arithmetic number, because the mean of its divisors is an integer number (635160).

2^2117195 is an apocalyptic number.

2117195 is a deficient number, since it is larger than the sum of its proper divisors (423445).

2117195 is an equidigital number, since it uses as much as digits as its factorization.

2117195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423444.

The product of its digits is 630, while the sum is 26.

The square root of 2117195 is about 1455.0584180712. The cubic root of 2117195 is about 128.4064836612.

The spelling of 2117195 in words is "two million, one hundred seventeen thousand, one hundred ninety-five".