1121103003 has 8 divisors (see below), whose sum is σ = 1543023616. Its totient is φ = 723292200.

The previous prime is 1121103001. The next prime is 1121103013. The reversal of 1121103003 is 3003011211.

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

It is not a de Polignac number, because 1121103003 - 2¹ = 1121103001 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 1121103003.

It is not an unprimeable number, because it can be changed into a prime (1121103001) 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, 6027343 + ... + 6027528.

It is an arithmetic number, because the mean of its divisors is an integer number (192877952).

Almost surely, 2^1121103003 is an apocalyptic number.

1121103003 is a deficient number, since it is larger than the sum of its proper divisors (421920613).

1121103003 is a wasteful number, since it uses less digits than its factorization.

1121103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12054905.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1121103003 is about 33482.8762653390. The cubic root of 1121103003 is about 1038.8396214095.

Adding to 1121103003 its reverse (3003011211), we get a palindrome (4124114214).

The spelling of 1121103003 in words is "one billion, one hundred twenty-one million, one hundred three thousand, three".