1113221504 has 32 divisors (see below), whose sum is σ = 2271848040. Its totient is φ = 543032320.

The previous prime is 1113221497. The next prime is 1113221519. The reversal of 1113221504 is 4051223111.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 100814 + ... + 111309.

Almost surely, 2^1113221504 is an apocalyptic number.

It is an amenable number.

1113221504 is an abundant number, since it is smaller than the sum of its proper divisors (1158626536).

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

1113221504 is an equidigital number, since it uses as much as digits as its factorization.

1113221504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212178 (or 212166 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1113221504 is about 33364.9742094910. The cubic root of 1113221504 is about 1036.3995020614.

Adding to 1113221504 its reverse (4051223111), we get a palindrome (5164444615).

The spelling of 1113221504 in words is "one billion, one hundred thirteen million, two hundred twenty-one thousand, five hundred four".