1103442003 has 12 divisors (see below), whose sum is σ = 1594684000. Its totient is φ = 735248016.

The previous prime is 1103441981. The next prime is 1103442017. The reversal of 1103442003 is 3002443011.

It is not a de Polignac number, because 1103442003 - 2¹³ = 1103433811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103442023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12676 + ... + 48657.

Almost surely, 2^1103442003 is an apocalyptic number.

1103442003 is a deficient number, since it is larger than the sum of its proper divisors (491241997).

1103442003 is a wasteful number, since it uses less digits than its factorization.

1103442003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63338 (or 63335 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1103442003 is about 33218.0975222844. The cubic root of 1103442003 is about 1033.3556947525.

Adding to 1103442003 its reverse (3002443011), we get a palindrome (4105885014).

The spelling of 1103442003 in words is "one billion, one hundred three million, four hundred forty-two thousand, three".