1113340421 has 24 divisors (see below), whose sum is σ = 1241360640. Its totient is φ = 996934400.

The previous prime is 1113340399. The next prime is 1113340429. The reversal of 1113340421 is 1240433111.

It is a de Polignac number, because none of the positive numbers 2^k-1113340421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113340393 and 1113340402.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 594116 + ... + 595986.

It is an arithmetic number, because the mean of its divisors is an integer number (51723360).

Almost surely, 2^1113340421 is an apocalyptic number.

It is an amenable number.

1113340421 is a deficient number, since it is larger than the sum of its proper divisors (128020219).

1113340421 is a wasteful number, since it uses less digits than its factorization.

1113340421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005 (or 1988 counting only the distinct ones).

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

The square root of 1113340421 is about 33366.7562253210. The cubic root of 1113340421 is about 1036.4364043104.

Adding to 1113340421 its reverse (1240433111), we get a palindrome (2353773532).

The spelling of 1113340421 in words is "one billion, one hundred thirteen million, three hundred forty thousand, four hundred twenty-one".