1103045240 has 64 divisors (see below), whose sum is σ = 2734391520. Its totient is φ = 397120000.

The previous prime is 1103045233. The next prime is 1103045243. The reversal of 1103045240 is 425403011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103045243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32030 + ... + 56850.

Almost surely, 2^1103045240 is an apocalyptic number.

1103045240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103045240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367195760).

1103045240 is an abundant number, since it is smaller than the sum of its proper divisors (1631346280).

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

1103045240 is a wasteful number, since it uses less digits than its factorization.

1103045240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24944 (or 24940 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1103045240 is about 33212.1248943816. The cubic root of 1103045240 is about 1033.2318258481.

Adding to 1103045240 its reverse (425403011), we get a palindrome (1528448251).

The spelling of 1103045240 in words is "one billion, one hundred three million, forty-five thousand, two hundred forty".