1113244540 has 24 divisors (see below), whose sum is σ = 2339235360. Its totient is φ = 445027008.

The previous prime is 1113244519. The next prime is 1113244591. The reversal of 1113244540 is 454423111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18601 + ... + 50719.

It is an arithmetic number, because the mean of its divisors is an integer number (97468140).

Almost surely, 2^1113244540 is an apocalyptic number.

1113244540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113244540 is an abundant number, since it is smaller than the sum of its proper divisors (1225990820).

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

1113244540 is a wasteful number, since it uses less digits than its factorization.

1113244540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33861 (or 33859 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1113244540 is about 33365.3194200205. The cubic root of 1113244540 is about 1036.4066507837.

Adding to 1113244540 its reverse (454423111), we get a palindrome (1567667651).

The spelling of 1113244540 in words is "one billion, one hundred thirteen million, two hundred forty-four thousand, five hundred forty".