121241343 has 12 divisors (see below), whose sum is σ = 164363784. Its totient is φ = 79495200.

The previous prime is 121241333. The next prime is 121241357. The reversal of 121241343 is 343142121.

It is not a de Polignac number, because 121241343 - 2⁴ = 121241327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121241333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5733 + ... + 16593.

It is an arithmetic number, because the mean of its divisors is an integer number (13696982).

Almost surely, 2^121241343 is an apocalyptic number.

121241343 is a deficient number, since it is larger than the sum of its proper divisors (43122441).

121241343 is an equidigital number, since it uses as much as digits as its factorization.

121241343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10986 (or 10925 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 121241343 is about 11010.9646716353. The cubic root of 121241343 is about 494.9373698946.

Adding to 121241343 its reverse (343142121), we get a palindrome (464383464).

The spelling of 121241343 in words is "one hundred twenty-one million, two hundred forty-one thousand, three hundred forty-three".