121234343 has 8 divisors (see below), whose sum is σ = 122858736. Its totient is φ = 119620800.

The previous prime is 121234339. The next prime is 121234349. The reversal of 121234343 is 343432121.

121234343 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 121234343 - 2² = 121234339 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121234349) 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, 21155 + ... + 26267.

It is an arithmetic number, because the mean of its divisors is an integer number (15357342).

Almost surely, 2^121234343 is an apocalyptic number.

121234343 is a deficient number, since it is larger than the sum of its proper divisors (1624393).

121234343 is a wasteful number, since it uses less digits than its factorization.

121234343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425.

The product of its digits is 1728, while the sum is 23.

The square root of 121234343 is about 11010.6468020730. The cubic root of 121234343 is about 494.9278444633.

Adding to 121234343 its reverse (343432121), we get a palindrome (464666464).

The spelling of 121234343 in words is "one hundred twenty-one million, two hundred thirty-four thousand, three hundred forty-three".