1103233121 has 2 divisors, whose sum is σ = 1103233122. Its totient is φ = 1103233120.

The previous prime is 1103233093. The next prime is 1103233151. The reversal of 1103233121 is 1213323011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1095610000 + 7623121 = 33100^2 + 2761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103233121 - 2⁶ = 1103233057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103233121.

It is not a weakly prime, because it can be changed into another prime (1103233151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551616560 + 551616561.

It is an arithmetic number, because the mean of its divisors is an integer number (551616561).

Almost surely, 2^1103233121 is an apocalyptic number.

It is an amenable number.

1103233121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103233121 is an equidigital number, since it uses as much as digits as its factorization.

1103233121 is an evil number, because the sum of its binary digits is even.

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

The square root of 1103233121 is about 33214.9532740903. The cubic root of 1103233121 is about 1033.2904857595.

Adding to 1103233121 its reverse (1213323011), we get a palindrome (2316556132).

The spelling of 1103233121 in words is "one billion, one hundred three million, two hundred thirty-three thousand, one hundred twenty-one".