1103124203 has 4 divisors (see below), whose sum is σ = 1168013880. Its totient is φ = 1038234528.

The previous prime is 1103124157. The next prime is 1103124257. The reversal of 1103124203 is 3024213011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1103124203 - 2¹⁶ = 1103058667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 64889659 = 1103124203 / (1 + 1 + 0 + 3 + 1 + 2 + 4 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103124103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32444813 + ... + 32444846.

It is an arithmetic number, because the mean of its divisors is an integer number (292003470).

Almost surely, 2^1103124203 is an apocalyptic number.

1103124203 is a deficient number, since it is larger than the sum of its proper divisors (64889677).

1103124203 is an equidigital number, since it uses as much as digits as its factorization.

1103124203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64889676.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1103124203 is about 33213.3136407676. The cubic root of 1103124203 is about 1033.2564803636.

Adding to 1103124203 its reverse (3024213011), we get a palindrome (4127337214).

The spelling of 1103124203 in words is "one billion, one hundred three million, one hundred twenty-four thousand, two hundred three".