1202243421 has 8 divisors (see below), whose sum is σ = 1604209984. Its totient is φ = 800886240.

The previous prime is 1202243381. The next prime is 1202243423. The reversal of 1202243421 is 1243422021.

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

It is not a de Polignac number, because 1202243421 - 2¹¹ = 1202241373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202243423) by changing a digit.

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, 147721 + ... + 155646.

It is an arithmetic number, because the mean of its divisors is an integer number (200526248).

Almost surely, 2^1202243421 is an apocalyptic number.

It is an amenable number.

1202243421 is a deficient number, since it is larger than the sum of its proper divisors (401966563).

1202243421 is a wasteful number, since it uses less digits than its factorization.

1202243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304691.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1202243421 is about 34673.3820242560. The cubic root of 1202243421 is about 1063.3203765309.

Adding to 1202243421 its reverse (1243422021), we get a palindrome (2445665442).

The spelling of 1202243421 in words is "one billion, two hundred two million, two hundred forty-three thousand, four hundred twenty-one".