1321244342 has 8 divisors (see below), whose sum is σ = 2162036232. Its totient is φ = 600565600.

The previous prime is 1321244299. The next prime is 1321244357. The reversal of 1321244342 is 2434421231.

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

It is a super-2 number, since 2×1321244342² = 3491373222534025928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30028259 + ... + 30028302.

It is an arithmetic number, because the mean of its divisors is an integer number (270254529).

Almost surely, 2^1321244342 is an apocalyptic number.

1321244342 is a deficient number, since it is larger than the sum of its proper divisors (840791890).

1321244342 is a wasteful number, since it uses less digits than its factorization.

1321244342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60056574.

The product of its digits is 4608, while the sum is 26.

The square root of 1321244342 is about 36348.9249084481. The cubic root of 1321244342 is about 1097.3058979451.

Adding to 1321244342 its reverse (2434421231), we get a palindrome (3755665573).

The spelling of 1321244342 in words is "one billion, three hundred twenty-one million, two hundred forty-four thousand, three hundred forty-two".