1120664 has 16 divisors (see below), whose sum is σ = 2131920. Its totient is φ = 552160.

The previous prime is 1120663. The next prime is 1120667. The reversal of 1120664 is 4660211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120661) 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, 419 + ... + 1554.

It is an arithmetic number, because the mean of its divisors is an integer number (133245).

2^1120664 is an apocalyptic number.

It is an amenable number.

1120664 is a deficient number, since it is larger than the sum of its proper divisors (1011256).

1120664 is a wasteful number, since it uses less digits than its factorization.

1120664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1120664 is about 1058.6141884558. The cubic root of 1120664 is about 103.8704006975.

Adding to 1120664 its reverse (4660211), we get a palindrome (5780875).

The spelling of 1120664 in words is "one million, one hundred twenty thousand, six hundred sixty-four".