1122118 has 4 divisors (see below), whose sum is σ = 1683180. Its totient is φ = 561058.

The previous prime is 1122113. The next prime is 1122131. The reversal of 1122118 is 8112211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280528 + ... + 280531.

It is an arithmetic number, because the mean of its divisors is an integer number (420795).

2^1122118 is an apocalyptic number.

1122118 is a deficient number, since it is larger than the sum of its proper divisors (561062).

1122118 is an equidigital number, since it uses as much as digits as its factorization.

1122118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561061.

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

The square root of 1122118 is about 1059.3007127346. The cubic root of 1122118 is about 103.9153033305.

Adding to 1122118 its reverse (8112211), we get a palindrome (9234329).

The spelling of 1122118 in words is "one million, one hundred twenty-two thousand, one hundred eighteen".