800000000126 has 4 divisors (see below), whose sum is σ = 1200000000192. Its totient is φ = 400000000062.

The previous prime is 800000000117. The next prime is 800000000131. The reversal of 800000000126 is 621000000008.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200000000030 + ... + 200000000033.

It is an arithmetic number, because the mean of its divisors is an integer number (300000000048).

Almost surely, 2^800000000126 is an apocalyptic number.

800000000126 is a deficient number, since it is larger than the sum of its proper divisors (400000000066).

800000000126 is a wasteful number, since it uses less digits than its factorization.

800000000126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400000000065.

The product of its (nonzero) digits is 96, while the sum is 17.

The spelling of 800000000126 in words is "eight hundred billion, one hundred twenty-six", and thus it is an aban number.