1103443240 has 32 divisors (see below), whose sum is σ = 2613420000. Its totient is φ = 418146624.

The previous prime is 1103443207. The next prime is 1103443241. The reversal of 1103443240 is 423443011.

It is not an unprimeable number, because it can be changed into a prime (1103443241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725190 + ... + 726709.

It is an arithmetic number, because the mean of its divisors is an integer number (81669375).

Almost surely, 2^1103443240 is an apocalyptic number.

1103443240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103443240 is an abundant number, since it is smaller than the sum of its proper divisors (1509976760).

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

1103443240 is a wasteful number, since it uses less digits than its factorization.

1103443240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451929 (or 1451925 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1103443240 is about 33218.1161416478. The cubic root of 1103443240 is about 1033.3560808959.

Adding to 1103443240 its reverse (423443011), we get a palindrome (1526886251).

The spelling of 1103443240 in words is "one billion, one hundred three million, four hundred forty-three thousand, two hundred forty".