1081892 has 12 divisors (see below), whose sum is σ = 2163840. Its totient is φ = 463656.

The previous prime is 1081891. The next prime is 1081901. The reversal of 1081892 is 2981801.

1081892 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1081891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19292 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (180320).

2^1081892 is an apocalyptic number.

It is an amenable number.

1081892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1081892 is a wasteful number, since it uses less digits than its factorization.

1081892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38650 (or 38648 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1081892 is about 1040.1403751417. The cubic root of 1081892 is about 102.6584343393.

The spelling of 1081892 in words is "one million, eighty-one thousand, eight hundred ninety-two".