126884421813 has 16 divisors (see below), whose sum is σ = 170448183360. Its totient is φ = 83955508224.

The previous prime is 126884421809. The next prime is 126884421827. The reversal of 126884421813 is 318124488621.

It is a happy number.

It is not a de Polignac number, because 126884421813 - 2² = 126884421809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126884421883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378645 + ... + 1467797.

It is an arithmetic number, because the mean of its divisors is an integer number (10653011460).

Almost surely, 2^126884421813 is an apocalyptic number.

It is an amenable number.

126884421813 is a deficient number, since it is larger than the sum of its proper divisors (43563761547).

126884421813 is a wasteful number, since it uses less digits than its factorization.

126884421813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92708.

The product of its digits is 589824, while the sum is 48.

The spelling of 126884421813 in words is "one hundred twenty-six billion, eight hundred eighty-four million, four hundred twenty-one thousand, eight hundred thirteen".