1121178 has 16 divisors (see below), whose sum is σ = 2276640. Its totient is φ = 368016.

The previous prime is 1121173. The next prime is 1121179. The reversal of 1121178 is 8711211.

It is not an unprimeable number, because it can be changed into a prime (1121173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 1796.

It is an arithmetic number, because the mean of its divisors is an integer number (142290).

2^1121178 is an apocalyptic number.

1121178 is an abundant number, since it is smaller than the sum of its proper divisors (1155462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121178 is a wasteful number, since it uses less digits than its factorization.

1121178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861.

The product of its digits is 112, while the sum is 21.

The square root of 1121178 is about 1058.8569308457. The cubic root of 1121178 is about 103.8862785537.

Adding to 1121178 its reverse (8711211), we get a palindrome (9832389).

The spelling of 1121178 in words is "one million, one hundred twenty-one thousand, one hundred seventy-eight".