1121122252 has 12 divisors (see below), whose sum is σ = 2029618080. Its totient is φ = 541231376.

The previous prime is 1121122201. The next prime is 1121122253. The reversal of 1121122252 is 2522211211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121122253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4832308 + ... + 4832539.

It is an arithmetic number, because the mean of its divisors is an integer number (169134840).

Almost surely, 2^1121122252 is an apocalyptic number.

It is an amenable number.

1121122252 is a deficient number, since it is larger than the sum of its proper divisors (908495828).

1121122252 is a wasteful number, since it uses less digits than its factorization.

1121122252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9664880 (or 9664878 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 1121122252 is about 33483.1637095421. The cubic root of 1121122252 is about 1038.8455668963.

Adding to 1121122252 its reverse (2522211211), we get a palindrome (3643333463).

The spelling of 1121122252 in words is "one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred fifty-two".