127252636454446 has 4 divisors (see below), whose sum is σ = 190878954681672. Its totient is φ = 63626318227222.

The previous prime is 127252636454441. The next prime is 127252636454453. The reversal of 127252636454446 is 644454636252721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127252636454441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31813159113610 + ... + 31813159113613.

It is an arithmetic number, because the mean of its divisors is an integer number (47719738670418).

Almost surely, 2^{127252636454446} is an apocalyptic number.

127252636454446 is a deficient number, since it is larger than the sum of its proper divisors (63626318227226).

127252636454446 is an equidigital number, since it uses as much as digits as its factorization.

127252636454446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63626318227225.

The product of its digits is 232243200, while the sum is 61.

The spelling of 127252636454446 in words is "one hundred twenty-seven trillion, two hundred fifty-two billion, six hundred thirty-six million, four hundred fifty-four thousand, four hundred forty-six".