1122543360 has 288 divisors, whose sum is σ = 4042704960. Its totient is φ = 298598400.

The previous prime is 1122543353. The next prime is 1122543413. The reversal of 1122543360 is 633452211.

1122543360 is a `hidden beast` number, since 1 + 1 + 225 + 433 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 2799160 + ... + 2799560.

It is an arithmetic number, because the mean of its divisors is an integer number (14037170).

Almost surely, 2^1122543360 is an apocalyptic number.

1122543360 is a gapful number since it is divisible by the number (10) 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 1122543360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021352480).

1122543360 is an abundant number, since it is smaller than the sum of its proper divisors (2920161600).

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

1122543360 is an frugal number, since it uses more digits than its factorization.

1122543360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1122543360 is about 33504.3782213609. The cubic root of 1122543360 is about 1039.2843202386.

Adding to 1122543360 its reverse (633452211), we get a palindrome (1755995571).

The spelling of 1122543360 in words is "one billion, one hundred twenty-two million, five hundred forty-three thousand, three hundred sixty".