191083 has 8 divisors (see below), whose sum is σ = 205200. Its totient is φ = 177408.

The previous prime is 191071. The next prime is 191089. The reversal of 191083 is 380191.

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-191083 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (191089) 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, 1635 + ... + 1747.

It is an arithmetic number, because the mean of its divisors is an integer number (25650).

2¹⁹¹⁰⁸³ is an apocalyptic number.

191083 is a deficient number, since it is larger than the sum of its proper divisors (14117).

191083 is a wasteful number, since it uses less digits than its factorization.

191083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 191083 is about 437.1304153225. The cubic root of 191083 is about 57.5979929535.

The spelling of 191083 in words is "one hundred ninety-one thousand, eighty-three".