191041 has 4 divisors (see below), whose sum is σ = 193732. Its totient is φ = 188352.

The previous prime is 191039. The next prime is 191047. The reversal of 191041 is 140191.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 156816 + 34225 = 396^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 191041 - 2¹ = 191039 is a prime.

It is a Duffinian number.

191041 is a lucky 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 3 ways as a sum of consecutive naturals, for example, 1236 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (48433).

2¹⁹¹⁰⁴¹ is an apocalyptic number.

It is an amenable number.

191041 is a deficient number, since it is larger than the sum of its proper divisors (2691).

191041 is an equidigital number, since it uses as much as digits as its factorization.

191041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 191041 is about 437.0823720994. The cubic root of 191041 is about 57.5937726357.

The spelling of 191041 in words is "one hundred ninety-one thousand, forty-one".