9432857121 has 4 divisors (see below), whose sum is σ = 12577142832. Its totient is φ = 6288571412.

The previous prime is 9432857087. The next prime is 9432857149. The reversal of 9432857121 is 1217582349.

9432857121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 9432857121 - 2²⁷ = 9298639393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9432857191) 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, 1572142851 + ... + 1572142856.

It is an arithmetic number, because the mean of its divisors is an integer number (3144285708).

Almost surely, 2^9432857121 is an apocalyptic number.

It is an amenable number.

9432857121 is a deficient number, since it is larger than the sum of its proper divisors (3144285711).

9432857121 is a wasteful number, since it uses less digits than its factorization.

9432857121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144285710.

The product of its digits is 120960, while the sum is 42.

The square root of 9432857121 is about 97122.8969965373. The cubic root of 9432857121 is about 2112.9104226248.

The spelling of 9432857121 in words is "nine billion, four hundred thirty-two million, eight hundred fifty-seven thousand, one hundred twenty-one".