127442735126263 has 8 divisors (see below), whose sum is σ = 127542903141600. Its totient is φ = 127342582781568.

The previous prime is 127442735126123. The next prime is 127442735126281. The reversal of 127442735126263 is 362621537244721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127442735126263 - 2⁴⁵ = 92258363037431 is a prime.

It is a super-2 number, since 2×127442735126263² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127442735127263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12380518 + ... + 20203036.

It is an arithmetic number, because the mean of its divisors is an integer number (15942862892700).

Almost surely, 2^{127442735126263} is an apocalyptic number.

127442735126263 is a deficient number, since it is larger than the sum of its proper divisors (100168015337).

127442735126263 is a wasteful number, since it uses less digits than its factorization.

127442735126263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835321.

The product of its digits is 20321280, while the sum is 55.

The spelling of 127442735126263 in words is "one hundred twenty-seven trillion, four hundred forty-two billion, seven hundred thirty-five million, one hundred twenty-six thousand, two hundred sixty-three".