1082841091 has 4 divisors (see below), whose sum is σ = 1085065072. Its totient is φ = 1080617112.

The previous prime is 1082841079. The next prime is 1082841113. The reversal of 1082841091 is 1901482801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1901482801 = 7457 ⋅254993.

It is a cyclic number.

It is not a de Polignac number, because 1082841091 - 2⁹ = 1082840579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082841031) 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, 1111260 + ... + 1112233.

It is an arithmetic number, because the mean of its divisors is an integer number (271266268).

Almost surely, 2^1082841091 is an apocalyptic number.

1082841091 is a deficient number, since it is larger than the sum of its proper divisors (2223981).

1082841091 is an equidigital number, since it uses as much as digits as its factorization.

1082841091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223980.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1082841091 is about 32906.5508827650. The cubic root of 1082841091 is about 1026.8844464193.

The spelling of 1082841091 in words is "one billion, eighty-two million, eight hundred forty-one thousand, ninety-one".