10078081 has 4 divisors (see below), whose sum is σ = 10853332. Its totient is φ = 9302832.

The previous prime is 10078063. The next prime is 10078129. The reversal of 10078081 is 18087001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18087001 = 757 ⋅23893.

It can be written as a sum of positive squares in 2 ways, for example, as 5198400 + 4879681 = 2280^2 + 2209^2 .

It is a cyclic number.

It is not a de Polignac number, because 10078081 - 2⁵ = 10078049 is a prime.

It is a super-3 number, since 3×10078081³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10078681) 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 3 ways as a sum of consecutive naturals, for example, 387606 + ... + 387631.

It is an arithmetic number, because the mean of its divisors is an integer number (2713333).

Almost surely, 2^10078081 is an apocalyptic number.

It is an amenable number.

10078081 is a deficient number, since it is larger than the sum of its proper divisors (775251).

10078081 is an equidigital number, since it uses as much as digits as its factorization.

10078081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775250.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 10078081 is about 3174.5993447993. The cubic root of 10078081 is about 216.0027505937.

The spelling of 10078081 in words is "ten million, seventy-eight thousand, eighty-one".