1103215040 has 112 divisors (see below), whose sum is σ = 2712476160. Its totient is φ = 427176960.

The previous prime is 1103215037. The next prime is 1103215081. The reversal of 1103215040 is 405123011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340069 + ... + 1340891.

Almost surely, 2^1103215040 is an apocalyptic number.

1103215040 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 1103215040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356238080).

1103215040 is an abundant number, since it is smaller than the sum of its proper divisors (1609261120).

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

1103215040 is an equidigital number, since it uses as much as digits as its factorization.

1103215040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1103215040 is about 33214.6810913487. The cubic root of 1103215040 is about 1033.2848408276.

Adding to 1103215040 its reverse (405123011), we get a palindrome (1508338051).

The spelling of 1103215040 in words is "one billion, one hundred three million, two hundred fifteen thousand, forty".