10128401 has 4 divisors (see below), whose sum is σ = 10137600. Its totient is φ = 10119204.

The previous prime is 10128347. The next prime is 10128403. The reversal of 10128401 is 10482101.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10128401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10128401.

It is not an unprimeable number, because it can be changed into a prime (10128403) 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, 2681 + ... + 5238.

It is an arithmetic number, because the mean of its divisors is an integer number (2534400).

Almost surely, 2^10128401 is an apocalyptic number.

It is an amenable number.

10128401 is a deficient number, since it is larger than the sum of its proper divisors (9199).

10128401 is an equidigital number, since it uses as much as digits as its factorization.

10128401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9198.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 10128401 is about 3182.5148860610. The cubic root of 10128401 is about 216.3616555050.

The spelling of 10128401 in words is "ten million, one hundred twenty-eight thousand, four hundred one".