1121333103 has 12 divisors (see below), whose sum is σ = 1766949288. Its totient is φ = 679595760.

The previous prime is 1121333047. The next prime is 1121333119. The reversal of 1121333103 is 3013331211.

It is a happy number.

It is not a de Polignac number, because 1121333103 - 2¹² = 1121329007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121333153) 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, 5663200 + ... + 5663397.

It is an arithmetic number, because the mean of its divisors is an integer number (147245774).

Almost surely, 2^1121333103 is an apocalyptic number.

1121333103 is a deficient number, since it is larger than the sum of its proper divisors (645616185).

1121333103 is a wasteful number, since it uses less digits than its factorization.

1121333103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11326614 (or 11326611 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1121333103 is about 33486.3121737823. The cubic root of 1121333103 is about 1038.9106885177.

Adding to 1121333103 its reverse (3013331211), we get a palindrome (4134664314).

The spelling of 1121333103 in words is "one billion, one hundred twenty-one million, three hundred thirty-three thousand, one hundred three".