10128081 has 8 divisors (see below), whose sum is σ = 13529824. Its totient is φ = 6739200.

The previous prime is 10128043. The next prime is 10128089. The reversal of 10128081 is 18082101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10128081 - 2¹⁸ = 9865937 is a prime.

It is a super-2 number, since 2×10128081² = 205156049485122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10128089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195 + ... + 4656.

It is an arithmetic number, because the mean of its divisors is an integer number (1691228).

Almost surely, 2^10128081 is an apocalyptic number.

It is an amenable number.

10128081 is a deficient number, since it is larger than the sum of its proper divisors (3401743).

10128081 is an equidigital number, since it uses as much as digits as its factorization.

10128081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 10128081 is about 3182.4646109580. The cubic root of 10128081 is about 216.3593768808.

It can be divided in two parts, 101 and 28081, that added together give a palindrome (28182).

The spelling of 10128081 in words is "ten million, one hundred twenty-eight thousand, eighty-one".