1243233242 has 8 divisors (see below), whose sum is σ = 1910334132. Its totient is φ = 606455200.

The previous prime is 1243233241. The next prime is 1243233293. The reversal of 1243233242 is 2423323421.

It can be written as a sum of positive squares in 2 ways, for example, as 1209022441 + 34210801 = 34771^2 + 5849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1243233241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7580609 + ... + 7580772.

Almost surely, 2^1243233242 is an apocalyptic number.

1243233242 is a deficient number, since it is larger than the sum of its proper divisors (667100890).

1243233242 is a wasteful number, since it uses less digits than its factorization.

1243233242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15161424.

The product of its digits is 6912, while the sum is 26.

The square root of 1243233242 is about 35259.5127873316. The cubic root of 1243233242 is about 1075.2700218035.

Adding to 1243233242 its reverse (2423323421), we get a palindrome (3666556663).

The spelling of 1243233242 in words is "one billion, two hundred forty-three million, two hundred thirty-three thousand, two hundred forty-two".