433430121 has 4 divisors (see below), whose sum is σ = 577906832. Its totient is φ = 288953412.

The previous prime is 433430069. The next prime is 433430161. The reversal of 433430121 is 121034334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 433430121 - 2¹³ = 433421929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (433430161) 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 3 ways as a sum of consecutive naturals, for example, 72238351 + ... + 72238356.

It is an arithmetic number, because the mean of its divisors is an integer number (144476708).

Almost surely, 2^433430121 is an apocalyptic number.

It is an amenable number.

433430121 is a deficient number, since it is larger than the sum of its proper divisors (144476711).

433430121 is a wasteful number, since it uses less digits than its factorization.

433430121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144476710.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 433430121 is about 20818.9846294194. The cubic root of 433430121 is about 756.7858960904.

Adding to 433430121 its reverse (121034334), we get a palindrome (554464455).

The spelling of 433430121 in words is "four hundred thirty-three million, four hundred thirty thousand, one hundred twenty-one".