1103316720 has 120 divisors (see below), whose sum is σ = 3759582288. Its totient is φ = 267463680.

The previous prime is 1103316707. The next prime is 1103316737. The reversal of 1103316720 is 276133011.

1103316720 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10044 + ... + 48036.

Almost surely, 2^1103316720 is an apocalyptic number.

1103316720 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 1103316720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879791144).

1103316720 is an abundant number, since it is smaller than the sum of its proper divisors (2656265568).

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

1103316720 is a wasteful number, since it uses less digits than its factorization.

1103316720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38031 (or 38014 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1103316720 is about 33216.2117045277. The cubic root of 1103316720 is about 1033.3165847673.

Adding to 1103316720 its reverse (276133011), we get a palindrome (1379449731).

The spelling of 1103316720 in words is "one billion, one hundred three million, three hundred sixteen thousand, seven hundred twenty".