1192091 has 4 divisors (see below), whose sum is σ = 1262232. Its totient is φ = 1121952.

The previous prime is 1192073. The next prime is 1192097. The reversal of 1192091 is 1902911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1902911 = 233 ⋅8167.

It is a cyclic number.

It is not a de Polignac number, because 1192091 - 2⁶ = 1192027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1192097) 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, 35045 + ... + 35078.

It is an arithmetic number, because the mean of its divisors is an integer number (315558).

2^1192091 is an apocalyptic number.

1192091 is a deficient number, since it is larger than the sum of its proper divisors (70141).

1192091 is an equidigital number, since it uses as much as digits as its factorization.

1192091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70140.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 1192091 is about 1091.8291990966. The cubic root of 1192091 is about 106.0318819489.

The spelling of 1192091 in words is "one million, one hundred ninety-two thousand, ninety-one".