1181122 has 8 divisors (see below), whose sum is σ = 1783872. Its totient is φ = 586500.

The previous prime is 1181099. The next prime is 1181137. The reversal of 1181122 is 2211811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1181096 and 1181105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654 + ... + 2257.

It is an arithmetic number, because the mean of its divisors is an integer number (222984).

2^1181122 is an apocalyptic number.

1181122 is a deficient number, since it is larger than the sum of its proper divisors (602750).

1181122 is a wasteful number, since it uses less digits than its factorization.

1181122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064.

The product of its digits is 32, while the sum is 16.

The square root of 1181122 is about 1086.7943687745. The cubic root of 1181122 is about 105.7056626241.

Adding to 1181122 its reverse (2211811), we get a palindrome (3392933).

The spelling of 1181122 in words is "one million, one hundred eighty-one thousand, one hundred twenty-two".