1113191 has 8 divisors (see below), whose sum is σ = 1201200. Its totient is φ = 1028160.

The previous prime is 1113187. The next prime is 1113193. The reversal of 1113191 is 1913111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113191 - 2² = 1113187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113193) 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, 65 + ... + 1493.

It is an arithmetic number, because the mean of its divisors is an integer number (150150).

2^1113191 is an apocalyptic number.

1113191 is a deficient number, since it is larger than the sum of its proper divisors (88009).

1113191 is a wasteful number, since it uses less digits than its factorization.

1113191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489.

The product of its digits is 27, while the sum is 17.

The square root of 1113191 is about 1055.0786700526. The cubic root of 1113191 is about 103.6390035656.

The spelling of 1113191 in words is "one million, one hundred thirteen thousand, one hundred ninety-one".