121443133 has 8 divisors (see below), whose sum is σ = 139491200. Its totient is φ = 103569840.

The previous prime is 121443103. The next prime is 121443163. The reversal of 121443133 is 331344121.

It is an interprime number because it is at equal distance from previous prime (121443103) and next prime (121443163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121443133 - 2¹³ = 121434941 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 (121443103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42198 + ... + 44983.

It is an arithmetic number, because the mean of its divisors is an integer number (17436400).

Almost surely, 2^121443133 is an apocalyptic number.

It is an amenable number.

121443133 is a deficient number, since it is larger than the sum of its proper divisors (18048067).

121443133 is an equidigital number, since it uses as much as digits as its factorization.

121443133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87387.

The product of its digits is 864, while the sum is 22.

The square root of 121443133 is about 11020.1240011172. The cubic root of 121443133 is about 495.2118033839.

Adding to 121443133 its reverse (331344121), we get a palindrome (452787254).

The spelling of 121443133 in words is "one hundred twenty-one million, four hundred forty-three thousand, one hundred thirty-three".