121343 has 2 divisors, whose sum is σ = 121344. Its totient is φ = 121342.

The previous prime is 121333. The next prime is 121349. The reversal of 121343 is 343121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121343 - 2⁴ = 121327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60671 + 60672.

It is an arithmetic number, because the mean of its divisors is an integer number (60672).

2¹²¹³⁴³ is an apocalyptic number.

121343 is a deficient number, since it is larger than the sum of its proper divisors (1).

121343 is an equidigital number, since it uses as much as digits as its factorization.

121343 is an evil number, because the sum of its binary digits is even.

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

The square root of 121343 is about 348.3432215502. The cubic root of 121343 is about 49.5075660985.

Adding to 121343 its reverse (343121), we get a palindrome (464464).

It can be divided in two parts, 121 and 343, that added together give a palindrome (464).

The spelling of 121343 in words is "one hundred twenty-one thousand, three hundred forty-three", and thus it is an iban number.