121443343 has 8 divisors (see below), whose sum is σ = 138996000. Its totient is φ = 103941600.

The previous prime is 121443341. The next prime is 121443389. The reversal of 121443343 is 343344121.

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

It is not a de Polignac number, because 121443343 - 2¹ = 121443341 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 (121443341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7468 + ... + 17281.

It is an arithmetic number, because the mean of its divisors is an integer number (17374500).

Almost surely, 2^121443343 is an apocalyptic number.

121443343 is a deficient number, since it is larger than the sum of its proper divisors (17552657).

121443343 is an equidigital number, since it uses as much as digits as its factorization.

121443343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25457.

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

The square root of 121443343 is about 11020.1335291366. The cubic root of 121443343 is about 495.2120888245.

Adding to 121443343 its reverse (343344121), we get a palindrome (464787464).

The spelling of 121443343 in words is "one hundred twenty-one million, four hundred forty-three thousand, three hundred forty-three".