127036421355264 has 144 divisors (see below), whose sum is σ = 339177475418880. Its totient is φ = 42211008184320.

The previous prime is 127036421355247. The next prime is 127036421355289. The reversal of 127036421355264 is 462553124630721.

It is a super-2 number, since 2×127036421355264² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304517829 + ... + 304934715.

Almost surely, 2^{127036421355264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127036421355264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169588737709440).

127036421355264 is an abundant number, since it is smaller than the sum of its proper divisors (212141054063616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127036421355264 is an equidigital number, since it uses as much as digits as its factorization.

127036421355264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418166 (or 418152 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

Adding to 127036421355264 its reverse (462553124630721), we get a palindrome (589589545985985).

The spelling of 127036421355264 in words is "one hundred twenty-seven trillion, thirty-six billion, four hundred twenty-one million, three hundred fifty-five thousand, two hundred sixty-four".