127126086009 has 24 divisors (see below), whose sum is σ = 186057329760. Its totient is φ = 77159751552.

The previous prime is 127126085993. The next prime is 127126086149. The reversal of 127126086009 is 900680621721.

It is not a de Polignac number, because 127126086009 - 2⁴ = 127126085993 is a prime.

It is a super-2 number, since 2×127126086009² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127126016009) 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 23 ways as a sum of consecutive naturals, for example, 1680399 + ... + 1754420.

It is an arithmetic number, because the mean of its divisors is an integer number (7752388740).

Almost surely, 2^127126086009 is an apocalyptic number.

It is an amenable number.

127126086009 is a deficient number, since it is larger than the sum of its proper divisors (58931243751).

127126086009 is a wasteful number, since it uses less digits than its factorization.

127126086009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434921 (or 3434908 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 127126086009 in words is "one hundred twenty-seven billion, one hundred twenty-six million, eighty-six thousand, nine".