1110664 has 16 divisors (see below), whose sum is σ = 2192400. Its totient is φ = 526032.

The previous prime is 1110643. The next prime is 1110667. The reversal of 1110664 is 4660111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1110667) 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, 3502 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (137025).

2^1110664 is an apocalyptic number.

It is an amenable number.

1110664 is a deficient number, since it is larger than the sum of its proper divisors (1081736).

1110664 is a wasteful number, since it uses less digits than its factorization.

1110664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332 (or 7328 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1110664 is about 1053.8804486278. The cubic root of 1110664 is about 103.5605222194.

Adding to 1110664 its reverse (4660111), we get a palindrome (5770775).

The spelling of 1110664 in words is "one million, one hundred ten thousand, six hundred sixty-four".