1243201322 has 8 divisors (see below), whose sum is σ = 2034329472. Its totient is φ = 565091500.

The previous prime is 1243201301. The next prime is 1243201327. The reversal of 1243201322 is 2231023421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1243201294 and 1243201303.

It is not an unprimeable number, because it can be changed into a prime (1243201327) 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, 28254554 + ... + 28254597.

It is an arithmetic number, because the mean of its divisors is an integer number (254291184).

Almost surely, 2^1243201322 is an apocalyptic number.

1243201322 is a deficient number, since it is larger than the sum of its proper divisors (791128150).

1243201322 is a wasteful number, since it uses less digits than its factorization.

1243201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56509164.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1243201322 is about 35259.0601406220. The cubic root of 1243201322 is about 1075.2608192093.

Adding to 1243201322 its reverse (2231023421), we get a palindrome (3474224743).

The spelling of 1243201322 in words is "one billion, two hundred forty-three million, two hundred one thousand, three hundred twenty-two".