1081922 has 4 divisors (see below), whose sum is σ = 1622886. Its totient is φ = 540960.

The previous prime is 1081919. The next prime is 1081937. The reversal of 1081922 is 2291801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 2401 = 1039^2 + 49^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 270479 + ... + 270482.

2^1081922 is an apocalyptic number.

1081922 is a deficient number, since it is larger than the sum of its proper divisors (540964).

1081922 is an equidigital number, since it uses as much as digits as its factorization.

1081922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540963.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1081922 is about 1040.1547961722. The cubic root of 1081922 is about 102.6593832092.

The spelling of 1081922 in words is "one million, eighty-one thousand, nine hundred twenty-two".