1181968 has 20 divisors (see below), whose sum is σ = 2364928. Its totient is φ = 571680.

The previous prime is 1181963. The next prime is 1181969. The reversal of 1181968 is 8691811.

1181968 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1181963) 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, 696 + ... + 1687.

2^1181968 is an apocalyptic number.

It is an amenable number.

1181968 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.

1181968 is a wasteful number, since it uses less digits than its factorization.

1181968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422 (or 2416 counting only the distinct ones).

The product of its digits is 3456, while the sum is 34.

The square root of 1181968 is about 1087.1835171672. The cubic root of 1181968 is about 105.7308944651.

The spelling of 1181968 in words is "one million, one hundred eighty-one thousand, nine hundred sixty-eight".