127344138118597 has 4 divisors (see below), whose sum is σ = 127512360230476. Its totient is φ = 127175916006720.

The previous prime is 127344138118553. The next prime is 127344138118601. The reversal of 127344138118597 is 795811831443721.

It is a Cunningham number, because it is equal to 11284686²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 78672181230756 + 48671956887841 = 8869734^2 + 6976529^2 .

It is a cyclic number.

It is not a de Polignac number, because 127344138118597 - 2⁷ = 127344138118469 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 (127344138110597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84111054804 + ... + 84111056317.

It is an arithmetic number, because the mean of its divisors is an integer number (31878090057619).

Almost surely, 2^{127344138118597} is an apocalyptic number.

It is an amenable number.

127344138118597 is a deficient number, since it is larger than the sum of its proper divisors (168222111879).

127344138118597 is an equidigital number, since it uses as much as digits as its factorization.

127344138118597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168222111878.

The product of its digits is 40642560, while the sum is 64.

The spelling of 127344138118597 in words is "one hundred twenty-seven trillion, three hundred forty-four billion, one hundred thirty-eight million, one hundred eighteen thousand, five hundred ninety-seven".