1200233122 has 12 divisors (see below), whose sum is σ = 1978897158. Its totient is φ = 545560400.

The previous prime is 1200233093. The next prime is 1200233123. The reversal of 1200233122 is 2213320021.

It can be written as a sum of positive squares in only one way, i.e., 842682841 + 357550281 = 29029^2 + 18909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200233096 and 1200233105.

It is not an unprimeable number, because it can be changed into a prime (1200233123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2479579 + ... + 2480062.

Almost surely, 2^1200233122 is an apocalyptic number.

1200233122 is a deficient number, since it is larger than the sum of its proper divisors (778664036).

1200233122 is a wasteful number, since it uses less digits than its factorization.

1200233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959665 (or 4959654 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1200233122 is about 34644.3808142100. The cubic root of 1200233122 is about 1062.7273783634.

Adding to 1200233122 its reverse (2213320021), we get a palindrome (3413553143).

The spelling of 1200233122 in words is "one billion, two hundred million, two hundred thirty-three thousand, one hundred twenty-two".