1233121103 has 8 divisors (see below), whose sum is σ = 1287086976. Its totient is φ = 1179184600.

The previous prime is 1233121049. The next prime is 1233121111. The reversal of 1233121103 is 3011213321.

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

It is a cyclic number.

It is not a de Polignac number, because 1233121103 - 2¹² = 1233117007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233021103) 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, 156488 + ... + 164178.

It is an arithmetic number, because the mean of its divisors is an integer number (160885872).

Almost surely, 2^1233121103 is an apocalyptic number.

1233121103 is a deficient number, since it is larger than the sum of its proper divisors (53965873).

1233121103 is an equidigital number, since it uses as much as digits as its factorization.

1233121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14685.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1233121103 is about 35115.8241110756. The cubic root of 1233121103 is about 1072.3467585874.

Adding to 1233121103 its reverse (3011213321), we get a palindrome (4244334424).

The spelling of 1233121103 in words is "one billion, two hundred thirty-three million, one hundred twenty-one thousand, one hundred three".