191092 has 24 divisors (see below), whose sum is σ = 376992. Its totient is φ = 84000.

The previous prime is 191089. The next prime is 191099. The reversal of 191092 is 290191.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191099) 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, 1842 + ... + 1942.

It is an arithmetic number, because the mean of its divisors is an integer number (15708).

2¹⁹¹⁰⁹² is an apocalyptic number.

It is an amenable number.

191092 is a deficient number, since it is larger than the sum of its proper divisors (185900).

191092 is a wasteful number, since it uses less digits than its factorization.

191092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 191092 is about 437.1407096119. The cubic root of 191092 is about 57.5988972268.

Multiplying 191092 by its sum of digits (22), we get a palindrome (4204024).

Subtracting 191092 from its reverse (290191), we obtain a palindrome (99099).

It can be divided in two parts, 1910 and 92, that added together give a palindrome (2002).

The spelling of 191092 in words is "one hundred ninety-one thousand, ninety-two".