121282343 has 24 divisors (see below), whose sum is σ = 151278048. Its totient is φ = 95202432.

The previous prime is 121282327. The next prime is 121282349. The reversal of 121282343 is 343282121.

It is not a de Polignac number, because 121282343 - 2⁴ = 121282327 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 (121282349) 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 23 ways as a sum of consecutive naturals, for example, 185405 + ... + 186057.

It is an arithmetic number, because the mean of its divisors is an integer number (6303252).

Almost surely, 2^121282343 is an apocalyptic number.

121282343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121282343 is a deficient number, since it is larger than the sum of its proper divisors (29995705).

121282343 is a wasteful number, since it uses less digits than its factorization.

121282343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 830 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 121282343 is about 11012.8262948255. The cubic root of 121282343 is about 494.9931543454.

The spelling of 121282343 in words is "one hundred twenty-one million, two hundred eighty-two thousand, three hundred forty-three".