1082191 has 8 divisors (see below), whose sum is σ = 1191168. Its totient is φ = 975000.

The previous prime is 1082189. The next prime is 1082197. The reversal of 1082191 is 1912801.

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 1082191 - 2¹ = 1082189 is a prime.

It is a super-2 number, since 2×1082191² = 2342274720962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082197) 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, 1066 + ... + 1816.

It is an arithmetic number, because the mean of its divisors is an integer number (148896).

2^1082191 is an apocalyptic number.

1082191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1082191 is a deficient number, since it is larger than the sum of its proper divisors (108977).

1082191 is a wasteful number, since it uses less digits than its factorization.

1082191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1082191 is about 1040.2840958123. The cubic root of 1082191 is about 102.6678906265.

Adding to 1082191 its reverse (1912801), we get a palindrome (2994992).

The spelling of 1082191 in words is "one million, eighty-two thousand, one hundred ninety-one".