1113304421 has 4 divisors (see below), whose sum is σ = 1113992844. Its totient is φ = 1112616000.

The previous prime is 1113304391. The next prime is 1113304441. The reversal of 1113304421 is 1244033111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 838739521 + 274564900 = 28961^2 + 16570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113304421 - 2¹⁴ = 1113288037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113304393 and 1113304402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113304441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341780 + ... + 345021.

It is an arithmetic number, because the mean of its divisors is an integer number (278498211).

Almost surely, 2^1113304421 is an apocalyptic number.

It is an amenable number.

1113304421 is a deficient number, since it is larger than the sum of its proper divisors (688423).

1113304421 is an equidigital number, since it uses as much as digits as its factorization.

1113304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688422.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1113304421 is about 33366.2167618686. The cubic root of 1113304421 is about 1036.4252330903.

Adding to 1113304421 its reverse (1244033111), we get a palindrome (2357337532).

The spelling of 1113304421 in words is "one billion, one hundred thirteen million, three hundred four thousand, four hundred twenty-one".