432120903 has 4 divisors (see below), whose sum is σ = 576161208. Its totient is φ = 288080600.

The previous prime is 432120877. The next prime is 432120911. The reversal of 432120903 is 309021234.

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 432120903 - 2⁹ = 432120391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72020148 + ... + 72020153.

It is an arithmetic number, because the mean of its divisors is an integer number (144040302).

Almost surely, 2^432120903 is an apocalyptic number.

432120903 is a deficient number, since it is larger than the sum of its proper divisors (144040305).

432120903 is a wasteful number, since it uses less digits than its factorization.

432120903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144040304.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 432120903 is about 20787.5179615076. The cubic root of 432120903 is about 756.0231456898.

The spelling of 432120903 in words is "four hundred thirty-two million, one hundred twenty thousand, nine hundred three".