1103543103 has 8 divisors (see below), whose sum is σ = 1584574768. Its totient is φ = 679103424.

The previous prime is 1103543071. The next prime is 1103543137. The reversal of 1103543103 is 3013453011.

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

It is not a de Polignac number, because 1103543103 - 2⁵ = 1103543071 is a prime.

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 1103543103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103543803) 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, 14147950 + ... + 14148027.

It is an arithmetic number, because the mean of its divisors is an integer number (198071846).

Almost surely, 2^1103543103 is an apocalyptic number.

1103543103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1103543103 is a deficient number, since it is larger than the sum of its proper divisors (481031665).

1103543103 is a wasteful number, since it uses less digits than its factorization.

1103543103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28295993.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1103543103 is about 33219.6192482695. The cubic root of 1103543103 is about 1033.3872532969.

Adding to 1103543103 its reverse (3013453011), we get a palindrome (4116996114).

The spelling of 1103543103 in words is "one billion, one hundred three million, five hundred forty-three thousand, one hundred three".