1181164 has 6 divisors (see below), whose sum is σ = 2067044. Its totient is φ = 590580.

The previous prime is 1181153. The next prime is 1181171. The reversal of 1181164 is 4611811.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147642 + ... + 147649.

2^1181164 is an apocalyptic number.

It is an amenable number.

1181164 is a deficient number, since it is larger than the sum of its proper divisors (885880).

1181164 is a wasteful number, since it uses less digits than its factorization.

1181164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295295 (or 295293 counting only the distinct ones).

The product of its digits is 192, while the sum is 22.

The square root of 1181164 is about 1086.8136914853. The cubic root of 1181164 is about 105.7069155528.

Adding to 1181164 its reverse (4611811), we get a palindrome (5792975).

The spelling of 1181164 in words is "one million, one hundred eighty-one thousand, one hundred sixty-four".