126712055837 has 16 divisors (see below), whose sum is σ = 134430741120. Its totient is φ = 119178734400.

The previous prime is 126712055783. The next prime is 126712055843. The reversal of 126712055837 is 738550217621.

It is a cyclic number.

It is not a de Polignac number, because 126712055837 - 2¹⁰ = 126712054813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126712055791 and 126712055800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126712055857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5166239 + ... + 5190707.

It is an arithmetic number, because the mean of its divisors is an integer number (8401921320).

Almost surely, 2^126712055837 is an apocalyptic number.

It is an amenable number.

126712055837 is a deficient number, since it is larger than the sum of its proper divisors (7718685283).

126712055837 is a wasteful number, since it uses less digits than its factorization.

126712055837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28244.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 126712055837 in words is "one hundred twenty-six billion, seven hundred twelve million, fifty-five thousand, eight hundred thirty-seven".