127321311129 has 16 divisors (see below), whose sum is σ = 174363875520. Its totient is φ = 82580178240.

The previous prime is 127321311119. The next prime is 127321311151. The reversal of 127321311129 is 921113123721.

It is not a de Polignac number, because 127321311129 - 2¹⁷ = 127321180057 is a prime.

It is a super-3 number, since 3×127321311129³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 127321311129.

It is not an unprimeable number, because it can be changed into a prime (127321311109) 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, 1614387 + ... + 1691415.

It is an arithmetic number, because the mean of its divisors is an integer number (10897742220).

Almost surely, 2^127321311129 is an apocalyptic number.

It is an amenable number.

127321311129 is a deficient number, since it is larger than the sum of its proper divisors (47042564391).

127321311129 is a wasteful number, since it uses less digits than its factorization.

127321311129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91960.

The product of its digits is 4536, while the sum is 33.

The spelling of 127321311129 in words is "one hundred twenty-seven billion, three hundred twenty-one million, three hundred eleven thousand, one hundred twenty-nine".