1081982892 has 24 divisors (see below), whose sum is σ = 2657502400. Its totient is φ = 341678736.

The previous prime is 1081982861. The next prime is 1081982893. The reversal of 1081982892 is 2982891801.

It is not an unprimeable number, because it can be changed into a prime (1081982893) 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, 2372542 + ... + 2372997.

Almost surely, 2^1081982892 is an apocalyptic number.

1081982892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1081982892 is an abundant number, since it is smaller than the sum of its proper divisors (1575519508).

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

1081982892 is a wasteful number, since it uses less digits than its factorization.

1081982892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745565 (or 4745563 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 1081982892 is about 32893.5083565131. The cubic root of 1081982892 is about 1026.6130910837.

The spelling of 1081982892 in words is "one billion, eighty-one million, nine hundred eighty-two thousand, eight hundred ninety-two".