1121302218 has 64 divisors (see below), whose sum is σ = 2461943808. Its totient is φ = 339060480.

The previous prime is 1121302213. The next prime is 1121302267. The reversal of 1121302218 is 8122031211.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121302194 and 1121302203.

It is not an unprimeable number, because it can be changed into a prime (1121302211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319453 + ... + 322943.

It is an arithmetic number, because the mean of its divisors is an integer number (38467872).

Almost surely, 2^1121302218 is an apocalyptic number.

1121302218 is an abundant number, since it is smaller than the sum of its proper divisors (1340641590).

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

1121302218 is a wasteful number, since it uses less digits than its factorization.

1121302218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1121302218 is about 33485.8510120319. The cubic root of 1121302218 is about 1038.9011501533.

Adding to 1121302218 its reverse (8122031211), we get a palindrome (9243333429).

The spelling of 1121302218 in words is "one billion, one hundred twenty-one million, three hundred two thousand, two hundred eighteen".