1081862912 has 36 divisors (see below), whose sum is σ = 2325622320. Its totient is φ = 499319808.

The previous prime is 1081862909. The next prime is 1081862921. The reversal of 1081862912 is 2192681801.

It is a super-2 number, since 2×1081862912² = 2340854720722239488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159212 + ... + 165867.

It is an arithmetic number, because the mean of its divisors is an integer number (64600620).

Almost surely, 2^1081862912 is an apocalyptic number.

It is an amenable number.

1081862912 is an abundant number, since it is smaller than the sum of its proper divisors (1243759408).

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

1081862912 is an equidigital number, since it uses as much as digits as its factorization.

1081862912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325108 (or 325094 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 1081862912 is about 32891.6845418413. The cubic root of 1081862912 is about 1026.5751429816.

The spelling of 1081862912 in words is "one billion, eighty-one million, eight hundred sixty-two thousand, nine hundred twelve".