1121112303 has 8 divisors (see below), whose sum is σ = 1543036416. Its totient is φ = 723298200.

The previous prime is 1121112257. The next prime is 1121112389. The reversal of 1121112303 is 3032111211.

It is a happy number.

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

It is not a de Polignac number, because 1121112303 - 2⁹ = 1121111791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121112403) 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, 6027393 + ... + 6027578.

It is an arithmetic number, because the mean of its divisors is an integer number (192879552).

Almost surely, 2^1121112303 is an apocalyptic number.

1121112303 is a deficient number, since it is larger than the sum of its proper divisors (421924113).

1121112303 is a wasteful number, since it uses less digits than its factorization.

1121112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12055005.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1121112303 is about 33483.0151420089. The cubic root of 1121112303 is about 1038.8424939323.

Adding to 1121112303 its reverse (3032111211), we get a palindrome (4153223514).

The spelling of 1121112303 in words is "one billion, one hundred twenty-one million, one hundred twelve thousand, three hundred three".