1111668 has 12 divisors (see below), whose sum is σ = 2593920. Its totient is φ = 370552.

The previous prime is 1111667. The next prime is 1111673. The reversal of 1111668 is 8661111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46308 + ... + 46331.

It is an arithmetic number, because the mean of its divisors is an integer number (216160).

2^1111668 is an apocalyptic number.

It is an amenable number.

1111668 is an abundant number, since it is smaller than the sum of its proper divisors (1482252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111668 is a wasteful number, since it uses less digits than its factorization.

1111668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92646 (or 92644 counting only the distinct ones).

The product of its digits is 288, while the sum is 24.

The square root of 1111668 is about 1054.3566758929. The cubic root of 1111668 is about 103.5917178076.

Adding to 1111668 its reverse (8661111), we get a palindrome (9772779).

The spelling of 1111668 in words is "one million, one hundred eleven thousand, six hundred sixty-eight".