1123345242 has 24 divisors (see below), whose sum is σ = 2434693716. Its totient is φ = 374328576.

The previous prime is 1123345241. The next prime is 1123345259. The reversal of 1123345242 is 2425433211.

1123345242 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1114291161 + 9054081 = 33381^2 + 3009^2 .

It is not an unprimeable number, because it can be changed into a prime (1123345241) 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, 61738 + ... + 77834.

Almost surely, 2^1123345242 is an apocalyptic number.

1123345242 is an abundant number, since it is smaller than the sum of its proper divisors (1311348474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123345242 is a wasteful number, since it uses less digits than its factorization.

1123345242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19982 (or 19979 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1123345242 is about 33516.3429090944. The cubic root of 1123345242 is about 1039.5317301404.

Adding to 1123345242 its reverse (2425433211), we get a palindrome (3548778453).

The spelling of 1123345242 in words is "one billion, one hundred twenty-three million, three hundred forty-five thousand, two hundred forty-two".