126800109200609 has 8 divisors (see below), whose sum is σ = 144586549857960. Its totient is φ = 110161180843776.

The previous prime is 126800109200603. The next prime is 126800109200623. The reversal of 126800109200609 is 906002901008621.

It can be written as a sum of positive squares in 4 ways, for example, as 27469883933584 + 99330225267025 = 5241172^2 + 9966455^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 126800109200609 - 2⁴⁴ = 109207923156193 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 126800109200609.

It is not an unprimeable number, because it can be changed into a prime (126800109200603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286878074894 + ... + 286878075335.

It is an arithmetic number, because the mean of its divisors is an integer number (18073318732245).

Almost surely, 2^{126800109200609} is an apocalyptic number.

It is an amenable number.

126800109200609 is a deficient number, since it is larger than the sum of its proper divisors (17786440657351).

126800109200609 is a wasteful number, since it uses less digits than its factorization.

126800109200609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573756150259.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 126800109200609 in words is "one hundred twenty-six trillion, eight hundred billion, one hundred nine million, two hundred thousand, six hundred nine".