1113340420 has 48 divisors (see below), whose sum is σ = 2385266688. Its totient is φ = 436423680.

The previous prime is 1113340399. The next prime is 1113340429. The reversal of 1113340420 is 240433111.

It is not an unprimeable number, because it can be changed into a prime (1113340429) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 208180 + ... + 213460.

It is an arithmetic number, because the mean of its divisors is an integer number (49693056).

Almost surely, 2^1113340420 is an apocalyptic number.

1113340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113340420 is an abundant number, since it is smaller than the sum of its proper divisors (1271926268).

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

1113340420 is a wasteful number, since it uses less digits than its factorization.

1113340420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1113340420 is about 33366.7562103361. The cubic root of 1113340420 is about 1036.4364040001.

Adding to 1113340420 its reverse (240433111), we get a palindrome (1353773531).

The spelling of 1113340420 in words is "one billion, one hundred thirteen million, three hundred forty thousand, four hundred twenty".