800126018 has 8 divisors (see below), whose sum is σ = 1200334140. Its totient is φ = 400014640.

The previous prime is 800126017. The next prime is 800126023. The reversal of 800126018 is 810621008.

800126018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 799588729 + 537289 = 28277^2 + 733^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (800126011) 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, 2288 + ... + 40068.

Almost surely, 2^800126018 is an apocalyptic number.

800126018 is a deficient number, since it is larger than the sum of its proper divisors (400208122).

800126018 is a wasteful number, since it uses less digits than its factorization.

800126018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48372.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 800126018 is about 28286.4988642992. The cubic root of 800126018 is about 928.3665078085.

The spelling of 800126018 in words is "eight hundred million, one hundred twenty-six thousand, eighteen".