1103680 has 28 divisors (see below), whose sum is σ = 2628900. Its totient is φ = 441344.

The previous prime is 1103639. The next prime is 1103699. The reversal of 1103680 is 863011.

It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 968256 = 368^2 + 984^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405 + ... + 2044.

2^1103680 is an apocalyptic number.

1103680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103680 is an abundant number, since it is smaller than the sum of its proper divisors (1525220).

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

1103680 is an equidigital number, since it uses as much as digits as its factorization.

1103680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466 (or 3456 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1103680 is about 1050.5617544914. The cubic root of 1103680 is about 103.3429982866.

Adding to 1103680 its reverse (863011), we get a palindrome (1966691).

The spelling of 1103680 in words is "one million, one hundred three thousand, six hundred eighty".