217119 has 16 divisors (see below), whose sum is σ = 339200. Its totient is φ = 123480.

The previous prime is 217117. The next prime is 217121. The reversal of 217119 is 911712.

217119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (217117) and next prime (217121).

It is not a de Polignac number, because 217119 - 2¹ = 217117 is a prime.

It is a super-2 number, since 2×217119² = 94281320322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 217095 and 217104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217111) 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, 924 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (21200).

2²¹⁷¹¹⁹ is an apocalyptic number.

217119 is a deficient number, since it is larger than the sum of its proper divisors (122081).

217119 is an equidigital number, since it uses as much as digits as its factorization.

217119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 221 counting only the distinct ones).

The product of its digits is 126, while the sum is 21.

The square root of 217119 is about 465.9602987380. The cubic root of 217119 is about 60.1034327033.

It can be divided in two parts, 21 and 7119, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 217119 in words is "two hundred seventeen thousand, one hundred nineteen".