1122806272 has 160 divisors (see below), whose sum is σ = 2736467712. Its totient is φ = 449839104.

The previous prime is 1122806231. The next prime is 1122806287. The reversal of 1122806272 is 2726082211.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4368768 + ... + 4369024.

Almost surely, 2^1122806272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122806272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368233856).

1122806272 is an abundant number, since it is smaller than the sum of its proper divisors (1613661440).

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

1122806272 is an equidigital number, since it uses as much as digits as its factorization.

1122806272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1122806272 is about 33508.3015385740. The cubic root of 1122806272 is about 1039.3654511775.

Adding to 1122806272 its reverse (2726082211), we get a palindrome (3848888483).

The spelling of 1122806272 in words is "one billion, one hundred twenty-two million, eight hundred six thousand, two hundred seventy-two".