1081612 has 12 divisors (see below), whose sum is σ = 2163280. Its totient is φ = 463536.

The previous prime is 1081583. The next prime is 1081631. The reversal of 1081612 is 2161801.

1081612 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081612.

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 in 3 ways as a sum of consecutive naturals, for example, 19287 + ... + 19342.

2^1081612 is an apocalyptic number.

It is an amenable number.

1081612 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.

1081612 is a wasteful number, since it uses less digits than its factorization.

1081612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38640 (or 38638 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1081612 is about 1040.0057692148. The cubic root of 1081612 is about 102.6495773733.

The spelling of 1081612 in words is "one million, eighty-one thousand, six hundred twelve".