1122356736 has 280 divisors, whose sum is σ = 3506483904. Its totient is φ = 358318080.

The previous prime is 1122356699. The next prime is 1122356749. The reversal of 1122356736 is 6376532211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1122356736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11570640 + ... + 11570736.

Almost surely, 2^1122356736 is an apocalyptic number.

1122356736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122356736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1753241952).

1122356736 is an abundant number, since it is smaller than the sum of its proper divisors (2384127168).

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

1122356736 is an frugal number, since it uses more digits than its factorization.

1122356736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 133 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 1122356736 is about 33501.5930367498. The cubic root of 1122356736 is about 1039.2267230139.

Adding to 1122356736 its reverse (6376532211), we get a palindrome (7498888947).

The spelling of 1122356736 in words is "one billion, one hundred twenty-two million, three hundred fifty-six thousand, seven hundred thirty-six".