1121180 has 24 divisors (see below), whose sum is σ = 2395680. Its totient is φ = 440640.

The previous prime is 1121179. The next prime is 1121189. The reversal of 1121180 is 811211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121189) 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, 761 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (99820).

2^1121180 is an apocalyptic number.

1121180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121180 is an abundant number, since it is smaller than the sum of its proper divisors (1274500).

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

1121180 is a wasteful number, since it uses less digits than its factorization.

1121180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1121180 is about 1058.8578752599. The cubic root of 1121180 is about 103.8863403257.

Adding to 1121180 its reverse (811211), we get a palindrome (1932391).

The spelling of 1121180 in words is "one million, one hundred twenty-one thousand, one hundred eighty".