1103325121 has 2 divisors, whose sum is σ = 1103325122. Its totient is φ = 1103325120.

The previous prime is 1103325037. The next prime is 1103325127. The reversal of 1103325121 is 1215233011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 957036096 + 146289025 = 30936^2 + 12095^2 .

It is an emirp because it is prime and its reverse (1215233011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103325121 - 2¹⁵ = 1103292353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103325127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551662560 + 551662561.

It is an arithmetic number, because the mean of its divisors is an integer number (551662561).

Almost surely, 2^1103325121 is an apocalyptic number.

It is an amenable number.

1103325121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103325121 is an equidigital number, since it uses as much as digits as its factorization.

1103325121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1103325121 is about 33216.3381636206. The cubic root of 1103325121 is about 1033.3192074263.

Adding to 1103325121 its reverse (1215233011), we get a palindrome (2318558132).

The spelling of 1103325121 in words is "one billion, one hundred three million, three hundred twenty-five thousand, one hundred twenty-one".