121422343 has 8 divisors (see below), whose sum is σ = 141600800. Its totient is φ = 104076000.

The previous prime is 121422341. The next prime is 121422373. The reversal of 121422343 is 343224121.

It is not a de Polignac number, because 121422343 - 2¹ = 121422341 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 (121422341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176658 + ... + 177343.

It is an arithmetic number, because the mean of its divisors is an integer number (17700100).

Almost surely, 2^121422343 is an apocalyptic number.

121422343 is a deficient number, since it is larger than the sum of its proper divisors (20178457).

121422343 is an frugal number, since it uses more digits than its factorization.

121422343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354022 (or 354008 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 121422343 is about 11019.1806864213. The cubic root of 121422343 is about 495.1835431310.

Adding to 121422343 its reverse (343224121), we get a palindrome (464646464).

The spelling of 121422343 in words is "one hundred twenty-one million, four hundred twenty-two thousand, three hundred forty-three".