127512301421 has 16 divisors (see below), whose sum is σ = 142506351360. Its totient is φ = 113385277440.

The previous prime is 127512301391. The next prime is 127512301463. The reversal of 127512301421 is 124103215721.

It is a cyclic number.

It is not a de Polignac number, because 127512301421 - 2¹⁴ = 127512285037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127512301481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419300 + ... + 656381.

It is an arithmetic number, because the mean of its divisors is an integer number (8906646960).

Almost surely, 2^127512301421 is an apocalyptic number.

It is an amenable number.

127512301421 is a deficient number, since it is larger than the sum of its proper divisors (14994049939).

127512301421 is a wasteful number, since it uses less digits than its factorization.

127512301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076084.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 127512301421 in words is "one hundred twenty-seven billion, five hundred twelve million, three hundred one thousand, four hundred twenty-one".