1113041320 has 16 divisors (see below), whose sum is σ = 2504343060. Its totient is φ = 445216512.

The previous prime is 1113041317. The next prime is 1113041327. The reversal of 1113041320 is 231403111.

It can be written as a sum of positive squares in 2 ways, for example, as 1112756164 + 285156 = 33358^2 + 534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1113041294 and 1113041303.

It is not an unprimeable number, because it can be changed into a prime (1113041327) 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, 13912977 + ... + 13913056.

Almost surely, 2^1113041320 is an apocalyptic number.

1113041320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113041320 is an abundant number, since it is smaller than the sum of its proper divisors (1391301740).

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

1113041320 is a wasteful number, since it uses less digits than its factorization.

1113041320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27826044 (or 27826040 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1113041320 is about 33362.2739033178. The cubic root of 1113041320 is about 1036.3435824673.

Adding to 1113041320 its reverse (231403111), we get a palindrome (1344444431).

The spelling of 1113041320 in words is "one billion, one hundred thirteen million, forty-one thousand, three hundred twenty".