127243752271207 has 16 divisors (see below), whose sum is σ = 151939805542560. Its totient is φ = 105027515337600.

The previous prime is 127243752271201. The next prime is 127243752271291. The reversal of 127243752271207 is 702172257342721.

It is a cyclic number.

It is not a de Polignac number, because 127243752271207 - 2¹⁹ = 127243751746919 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 (127243752271201) 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, 7293568732 + ... + 7293586177.

It is an arithmetic number, because the mean of its divisors is an integer number (9496237846410).

Almost surely, 2^{127243752271207} is an apocalyptic number.

127243752271207 is a deficient number, since it is larger than the sum of its proper divisors (24696053271353).

127243752271207 is a wasteful number, since it uses less digits than its factorization.

127243752271207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14587154994.

The product of its (nonzero) digits is 4609920, while the sum is 52.

The spelling of 127243752271207 in words is "one hundred twenty-seven trillion, two hundred forty-three billion, seven hundred fifty-two million, two hundred seventy-one thousand, two hundred seven".