127020121112705 has 16 divisors (see below), whose sum is σ = 152513557560000. Its totient is φ = 101556492615360.

The previous prime is 127020121112639. The next prime is 127020121112711. The reversal of 127020121112705 is 507211121020721.

It is not a de Polignac number, because 127020121112705 - 2²⁴ = 127020104335489 is a prime.

It is a super-2 number, since 2×127020121112705² (a number of 29 digits) contains 22 as substring.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 281104046 + ... + 281555544.

It is an arithmetic number, because the mean of its divisors is an integer number (9532097347500).

Almost surely, 2^{127020121112705} is an apocalyptic number.

It is an amenable number.

127020121112705 is a deficient number, since it is larger than the sum of its proper divisors (25493436447295).

127020121112705 is a wasteful number, since it uses less digits than its factorization.

127020121112705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484384.

The product of its (nonzero) digits is 3920, while the sum is 32.

The spelling of 127020121112705 in words is "one hundred twenty-seven trillion, twenty billion, one hundred twenty-one million, one hundred twelve thousand, seven hundred five".