1122713456 has 40 divisors (see below), whose sum is σ = 2310008400. Its totient is φ = 526777344.

The previous prime is 1122713413. The next prime is 1122713503. The reversal of 1122713456 is 6543172211.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 89015 + ... + 100841.

It is an arithmetic number, because the mean of its divisors is an integer number (57750210).

Almost surely, 2^1122713456 is an apocalyptic number.

1122713456 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 1122713456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155004200).

1122713456 is an abundant number, since it is smaller than the sum of its proper divisors (1187294944).

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

1122713456 is a wasteful number, since it uses less digits than its factorization.

1122713456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201 (or 12195 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 1122713456 is about 33506.9165397236. The cubic root of 1122713456 is about 1039.3368109141.

Adding to 1122713456 its reverse (6543172211), we get a palindrome (7665885667).

The spelling of 1122713456 in words is "one billion, one hundred twenty-two million, seven hundred thirteen thousand, four hundred fifty-six".