1121164 has 24 divisors (see below), whose sum is σ = 2173248. Its totient is φ = 501840.

The previous prime is 1121147. The next prime is 1121173. The reversal of 1121164 is 4611211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3499 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (90552).

2^1121164 is an apocalyptic number.

It is an amenable number.

1121164 is a deficient number, since it is larger than the sum of its proper divisors (1052084).

1121164 is a wasteful number, since it uses less digits than its factorization.

1121164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 403 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 1121164 is about 1058.8503199225. The cubic root of 1121164 is about 103.8858461472.

Adding to 1121164 its reverse (4611211), we get a palindrome (5732375).

The spelling of 1121164 in words is "one million, one hundred twenty-one thousand, one hundred sixty-four".