10128329 has 4 divisors (see below), whose sum is σ = 10157700. Its totient is φ = 10098960.

The previous prime is 10128319. The next prime is 10128341. The reversal of 10128329 is 92382101.

10128329 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.

It can be written as a sum of positive squares in 2 ways, for example, as 9030025 + 1098304 = 3005^2 + 1048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10128329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10128298 and 10128307.

It is not an unprimeable number, because it can be changed into a prime (10128319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14162 + ... + 14859.

It is an arithmetic number, because the mean of its divisors is an integer number (2539425).

Almost surely, 2^10128329 is an apocalyptic number.

It is an amenable number.

10128329 is a deficient number, since it is larger than the sum of its proper divisors (29371).

10128329 is an equidigital number, since it uses as much as digits as its factorization.

10128329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29370.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10128329 is about 3182.5035742321. The cubic root of 10128329 is about 216.3611428188.

The spelling of 10128329 in words is "ten million, one hundred twenty-eight thousand, three hundred twenty-nine".