1082081420 has 24 divisors (see below), whose sum is σ = 2596995744. Its totient is φ = 370999296.

The previous prime is 1082081291. The next prime is 1082081431. The reversal of 1082081420 is 241802801.

It is a self number, because there is not a number n which added to its sum of digits gives 1082081420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3864437 + ... + 3864716.

It is an arithmetic number, because the mean of its divisors is an integer number (108208156).

Almost surely, 2^1082081420 is an apocalyptic number.

1082081420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082081420 is an abundant number, since it is smaller than the sum of its proper divisors (1514914324).

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

1082081420 is a wasteful number, since it uses less digits than its factorization.

1082081420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729169 (or 7729167 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1082081420 is about 32895.0060039514. The cubic root of 1082081420 is about 1026.6442521015.

The spelling of 1082081420 in words is "one billion, eighty-two million, eighty-one thousand, four hundred twenty".