121433343 has 4 divisors (see below), whose sum is σ = 161911128. Its totient is φ = 80955560.

The previous prime is 121433339. The next prime is 121433357. The reversal of 121433343 is 343334121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121433343 - 2² = 121433339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121433743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20238888 + ... + 20238893.

It is an arithmetic number, because the mean of its divisors is an integer number (40477782).

Almost surely, 2^121433343 is an apocalyptic number.

121433343 is a deficient number, since it is larger than the sum of its proper divisors (40477785).

121433343 is an equidigital number, since it uses as much as digits as its factorization.

121433343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40477784.

The product of its digits is 2592, while the sum is 24.

The square root of 121433343 is about 11019.6798047856. The cubic root of 121433343 is about 495.1984960476.

Adding to 121433343 its reverse (343334121), we get a palindrome (464767464).

The spelling of 121433343 in words is "one hundred twenty-one million, four hundred thirty-three thousand, three hundred forty-three".