1236322252 has 12 divisors (see below), whose sum is σ = 2360251656. Its totient is φ = 561964640.

The previous prime is 1236322249. The next prime is 1236322259. The reversal of 1236322252 is 2522236321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1236322252.

It is not an unprimeable number, because it can be changed into a prime (1236322259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14049073 + ... + 14049160.

It is an arithmetic number, because the mean of its divisors is an integer number (196687638).

Almost surely, 2^1236322252 is an apocalyptic number.

It is an amenable number.

1236322252 is a deficient number, since it is larger than the sum of its proper divisors (1123929404).

1236322252 is a wasteful number, since it uses less digits than its factorization.

1236322252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28098248 (or 28098246 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 1236322252 is about 35161.3744327494. The cubic root of 1236322252 is about 1073.2738845032.

Adding to 1236322252 its reverse (2522236321), we get a palindrome (3758558573).

The spelling of 1236322252 in words is "one billion, two hundred thirty-six million, three hundred twenty-two thousand, two hundred fifty-two".