121000343 has 2 divisors, whose sum is σ = 121000344. Its totient is φ = 121000342.

The previous prime is 121000337. The next prime is 121000357. The reversal of 121000343 is 343000121.

It is an a-pointer prime, because the next prime (121000357) can be obtained adding 121000343 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121000343 - 2¹² = 120996247 is a prime.

It is a super-2 number, since 2×121000343² = 29282166012235298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500171 + 60500172.

It is an arithmetic number, because the mean of its divisors is an integer number (60500172).

Almost surely, 2^121000343 is an apocalyptic number.

121000343 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000343 is an equidigital number, since it uses as much as digits as its factorization.

121000343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 121000343 is about 11000.0155908980. The cubic root of 121000343 is about 494.6092116820.

Adding to 121000343 its reverse (343000121), we get a palindrome (464000464).

The spelling of 121000343 in words is "one hundred twenty-one million, three hundred forty-three", and thus it is an aban number.