126884392085 has 32 divisors (see below), whose sum is σ = 171918650880. Its totient is φ = 89052006400.

The previous prime is 126884392079. The next prime is 126884392097. The reversal of 126884392085 is 580293488621.

It is a happy number.

It is not a de Polignac number, because 126884392085 - 2⁶ = 126884392021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126884392085.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3271205 + ... + 3309765.

It is an arithmetic number, because the mean of its divisors is an integer number (5372457840).

Almost surely, 2^126884392085 is an apocalyptic number.

It is an amenable number.

126884392085 is a deficient number, since it is larger than the sum of its proper divisors (45034258795).

126884392085 is a wasteful number, since it uses less digits than its factorization.

126884392085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40669.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 126884392085 in words is "one hundred twenty-six billion, eight hundred eighty-four million, three hundred ninety-two thousand, eighty-five".