1100447103 has 8 divisors (see below), whose sum is σ = 1676871808. Its totient is φ = 628826904.

The previous prime is 1100447087. The next prime is 1100447113. The reversal of 1100447103 is 3017440011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100447103 - 2⁴ = 1100447087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 52402243 = 1100447103 / (1 + 1 + 0 + 0 + 4 + 4 + 7 + 1 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100447103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100447113) 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, 26201101 + ... + 26201142.

It is an arithmetic number, because the mean of its divisors is an integer number (209608976).

Almost surely, 2^1100447103 is an apocalyptic number.

1100447103 is a deficient number, since it is larger than the sum of its proper divisors (576424705).

1100447103 is an equidigital number, since it uses as much as digits as its factorization.

1100447103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52402253.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1100447103 is about 33172.9875501137. The cubic root of 1100447103 is about 1032.4199557652.

Adding to 1100447103 its reverse (3017440011), we get a palindrome (4117887114).

The spelling of 1100447103 in words is "one billion, one hundred million, four hundred forty-seven thousand, one hundred three".