1141191 has 24 divisors (see below), whose sum is σ = 1778400. Its totient is φ = 703296.

The previous prime is 1141171. The next prime is 1141219. The reversal of 1141191 is 1911411.

It is not a de Polignac number, because 1141191 - 2⁹ = 1140679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141171) 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 23 ways as a sum of consecutive naturals, for example, 7585 + ... + 7733.

It is an arithmetic number, because the mean of its divisors is an integer number (74100).

2^1141191 is an apocalyptic number.

1141191 is a deficient number, since it is larger than the sum of its proper divisors (637209).

1141191 is a wasteful number, since it uses less digits than its factorization.

1141191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 212 counting only the distinct ones).

The product of its digits is 36, while the sum is 18.

The square root of 1141191 is about 1068.2654164579. The cubic root of 1141191 is about 104.5007592872.

The spelling of 1141191 in words is "one million, one hundred forty-one thousand, one hundred ninety-one".