1123241056 has 48 divisors (see below), whose sum is σ = 2570158080. Its totient is φ = 473224320.

The previous prime is 1123241047. The next prime is 1123241083. The reversal of 1123241056 is 6501423211.

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 1123241056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29280 + ... + 55711.

It is an arithmetic number, because the mean of its divisors is an integer number (53544960).

Almost surely, 2^1123241056 is an apocalyptic number.

1123241056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1123241056 is an abundant number, since it is smaller than the sum of its proper divisors (1446917024).

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

1123241056 is an equidigital number, since it uses as much as digits as its factorization.

1123241056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85067 (or 85059 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1123241056 is about 33514.7886163705. The cubic root of 1123241056 is about 1039.4995916083.

Adding to 1123241056 its reverse (6501423211), we get a palindrome (7624664267).

The spelling of 1123241056 in words is "one billion, one hundred twenty-three million, two hundred forty-one thousand, fifty-six".