1081810912 has 216 divisors, whose sum is σ = 2860483248. Its totient is φ = 392970240.

The previous prime is 1081810909. The next prime is 1081810927. The reversal of 1081810912 is 2190181801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26385612 + ... + 26385652.

It is an arithmetic number, because the mean of its divisors is an integer number (13242978).

Almost surely, 2^1081810912 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 1081810912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430241624).

1081810912 is an abundant number, since it is smaller than the sum of its proper divisors (1778672336).

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

1081810912 is a wasteful number, since it uses less digits than its factorization.

1081810912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 31.

The square root of 1081810912 is about 32890.8940589945. The cubic root of 1081810912 is about 1026.5586951913.

The spelling of 1081810912 in words is "one billion, eighty-one million, eight hundred ten thousand, nine hundred twelve".