1103232540 has 24 divisors (see below), whose sum is σ = 3089051280. Its totient is φ = 294195328.

The previous prime is 1103232539. The next prime is 1103232541. The reversal of 1103232540 is 452323011.

It is an interprime number because it is at equal distance from previous prime (1103232539) and next prime (1103232541).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103232541) 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, 9193545 + ... + 9193664.

It is an arithmetic number, because the mean of its divisors is an integer number (128710470).

Almost surely, 2^1103232540 is an apocalyptic number.

1103232540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103232540 is an abundant number, since it is smaller than the sum of its proper divisors (1985818740).

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

1103232540 is a wasteful number, since it uses less digits than its factorization.

1103232540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18387221 (or 18387219 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1103232540 is about 33214.9445280283. The cubic root of 1103232540 is about 1033.2903043708.

Adding to 1103232540 its reverse (452323011), we get a palindrome (1555555551).

The spelling of 1103232540 in words is "one billion, one hundred three million, two hundred thirty-two thousand, five hundred forty".