121224433 has 8 divisors (see below), whose sum is σ = 140024160. Its totient is φ = 103721280.

The previous prime is 121224431. The next prime is 121224449. The reversal of 121224433 is 334422121.

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 121224433 - 2¹ = 121224431 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (121224431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323943 + ... + 324316.

It is an arithmetic number, because the mean of its divisors is an integer number (17503020).

Almost surely, 2^121224433 is an apocalyptic number.

It is an amenable number.

121224433 is a deficient number, since it is larger than the sum of its proper divisors (18799727).

121224433 is a wasteful number, since it uses less digits than its factorization.

121224433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648287.

The product of its digits is 1152, while the sum is 22.

The square root of 121224433 is about 11010.1967739001. The cubic root of 121224433 is about 494.9143585470.

Adding to 121224433 its reverse (334422121), we get a palindrome (455646554).

The spelling of 121224433 in words is "one hundred twenty-one million, two hundred twenty-four thousand, four hundred thirty-three".