1113024221 has 8 divisors (see below), whose sum is σ = 1200732984. Its totient is φ = 1027786240.

The previous prime is 1113024197. The next prime is 1113024247. The reversal of 1113024221 is 1224203111.

It can be written as a sum of positive squares in 4 ways, for example, as 93818596 + 1019205625 = 9686^2 + 31925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113024221 - 2¹⁴ = 1113007837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1113024221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113024721) by changing a digit.

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, 616760 + ... + 618561.

It is an arithmetic number, because the mean of its divisors is an integer number (150091623).

Almost surely, 2^1113024221 is an apocalyptic number.

It is an amenable number.

1113024221 is a deficient number, since it is larger than the sum of its proper divisors (87708763).

1113024221 is a wasteful number, since it uses less digits than its factorization.

1113024221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235391.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1113024221 is about 33362.0176398251. The cubic root of 1113024221 is about 1036.3382755275.

Adding to 1113024221 its reverse (1224203111), we get a palindrome (2337227332).

The spelling of 1113024221 in words is "one billion, one hundred thirteen million, twenty-four thousand, two hundred twenty-one".