1123345241 has 2 divisors, whose sum is σ = 1123345242. Its totient is φ = 1123345240.

The previous prime is 1123345217. The next prime is 1123345259. The reversal of 1123345241 is 1425433211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 565440841 + 557904400 = 23779^2 + 23620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123345241 - 2⁶ = 1123345177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123345241.

It is not a weakly prime, because it can be changed into another prime (1123305241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561672620 + 561672621.

It is an arithmetic number, because the mean of its divisors is an integer number (561672621).

Almost surely, 2^1123345241 is an apocalyptic number.

It is an amenable number.

1123345241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123345241 is an equidigital number, since it uses as much as digits as its factorization.

1123345241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 1123345241 is about 33516.3428941763. The cubic root of 1123345241 is about 1039.5317298319.

Adding to 1123345241 its reverse (1425433211), we get a palindrome (2548778452).

The spelling of 1123345241 in words is "one billion, one hundred twenty-three million, three hundred forty-five thousand, two hundred forty-one".