191049 has 8 divisors (see below), whose sum is σ = 260832. Its totient is φ = 124320.

The previous prime is 191047. The next prime is 191057. The reversal of 191049 is 940191.

191049 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 not a de Polignac number, because 191049 - 2¹ = 191047 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (191047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 869.

It is an arithmetic number, because the mean of its divisors is an integer number (32604).

2¹⁹¹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

191049 is a deficient number, since it is larger than the sum of its proper divisors (69783).

191049 is a wasteful number, since it uses less digits than its factorization.

191049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 191049 is about 437.0915235966. The cubic root of 191049 is about 57.5945765534.

The spelling of 191049 in words is "one hundred ninety-one thousand, forty-nine".