1181612 has 12 divisors (see below), whose sum is σ = 2099160. Its totient is φ = 581856.

The previous prime is 1181611. The next prime is 1181617. The reversal of 1181612 is 2161811.

It is not an unprimeable number, because it can be changed into a prime (1181611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (174930).

2^1181612 is an apocalyptic number.

It is an amenable number.

1181612 is a deficient number, since it is larger than the sum of its proper divisors (917548).

1181612 is a wasteful number, since it uses less digits than its factorization.

1181612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480 (or 4478 counting only the distinct ones).

The product of its digits is 96, while the sum is 20.

The square root of 1181612 is about 1087.0197790289. The cubic root of 1181612 is about 105.7202782787.

The spelling of 1181612 in words is "one million, one hundred eighty-one thousand, six hundred twelve".