1323134242 has 16 divisors (see below), whose sum is σ = 2102171832. Its totient is φ = 622437120.

The previous prime is 1323134233. The next prime is 1323134257. The reversal of 1323134242 is 2424313231.

It can be written as a sum of positive squares in 4 ways, for example, as 1262309841 + 60824401 = 35529^2 + 7799^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140308 + ... + 149440.

Almost surely, 2^1323134242 is an apocalyptic number.

1323134242 is a deficient number, since it is larger than the sum of its proper divisors (779037590).

1323134242 is a wasteful number, since it uses less digits than its factorization.

1323134242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13413.

The product of its digits is 3456, while the sum is 25.

The square root of 1323134242 is about 36374.9122610626. The cubic root of 1323134242 is about 1097.8288419489.

Adding to 1323134242 its reverse (2424313231), we get a palindrome (3747447473).

The spelling of 1323134242 in words is "one billion, three hundred twenty-three million, one hundred thirty-four thousand, two hundred forty-two".