1121130218 has 8 divisors (see below), whose sum is σ = 1811056548. Its totient is φ = 517444704.

The previous prime is 1121130209. The next prime is 1121130233. The reversal of 1121130218 is 8120311211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1099386649 + 21743569 = 33157^2 + 4663^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1121130218.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21560171 + ... + 21560222.

Almost surely, 2^1121130218 is an apocalyptic number.

1121130218 is a deficient number, since it is larger than the sum of its proper divisors (689926330).

1121130218 is a wasteful number, since it uses less digits than its factorization.

1121130218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43120408.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 1121130218 is about 33483.2826646373. The cubic root of 1121130218 is about 1038.8480273548.

Adding to 1121130218 its reverse (8120311211), we get a palindrome (9241441429).

The spelling of 1121130218 in words is "one billion, one hundred twenty-one million, one hundred thirty thousand, two hundred eighteen".