1665112 has 8 divisors (see below), whose sum is σ = 3122100. Its totient is φ = 832552.

The previous prime is 1665109. The next prime is 1665121. The reversal of 1665112 is 2115661.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104062 + ... + 104077.

2^1665112 is an apocalyptic number.

It is an amenable number.

1665112 is a deficient number, since it is larger than the sum of its proper divisors (1456988).

1665112 is a wasteful number, since it uses less digits than its factorization.

1665112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208145 (or 208141 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 1665112 is about 1290.3921884450. The cubic root of 1665112 is about 118.5262334580.

The spelling of 1665112 in words is "one million, six hundred sixty-five thousand, one hundred twelve".