127072063421465 has 4 divisors (see below), whose sum is σ = 152486476105764. Its totient is φ = 101657650737168.

The previous prime is 127072063421453. The next prime is 127072063421477. The reversal of 127072063421465 is 564124360270721.

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

It is an interprime number because it is at equal distance from previous prime (127072063421453) and next prime (127072063421477).

It can be written as a sum of positive squares in 2 ways, for example, as 13545425128921 + 113526638292544 = 3680411^2 + 10654888^2 .

It is a cyclic number.

It is not a de Polignac number, because 127072063421465 - 2⁴⁶ = 56703319243801 is a prime.

It is a super-2 number, since 2×127072063421465² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12707206342142 + ... + 12707206342151.

It is an arithmetic number, because the mean of its divisors is an integer number (38121619026441).

Almost surely, 2^{127072063421465} is an apocalyptic number.

It is an amenable number.

127072063421465 is a deficient number, since it is larger than the sum of its proper divisors (25414412684299).

127072063421465 is an equidigital number, since it uses as much as digits as its factorization.

127072063421465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25414412684298.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 127072063421465 in words is "one hundred twenty-seven trillion, seventy-two billion, sixty-three million, four hundred twenty-one thousand, four hundred sixty-five".