1082100208 has 80 divisors (see below), whose sum is σ = 2489840640. Its totient is φ = 445939200.

The previous prime is 1082100191. The next prime is 1082100221. The reversal of 1082100208 is 8020012801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324373 + ... + 327691.

It is an arithmetic number, because the mean of its divisors is an integer number (31123008).

Almost surely, 2^1082100208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1082100208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244920320).

1082100208 is an abundant number, since it is smaller than the sum of its proper divisors (1407740432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1082100208 is a wasteful number, since it uses less digits than its factorization.

1082100208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446 (or 3440 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1082100208 is about 32895.2915779751. The cubic root of 1082100208 is about 1026.6501938850.

The spelling of 1082100208 in words is "one billion, eighty-two million, one hundred thousand, two hundred eight".