127521486400486 has 32 divisors (see below), whose sum is σ = 195862415430528. Its totient is φ = 62236023917760.

The previous prime is 127521486400481. The next prime is 127521486400499. The reversal of 127521486400486 is 684004684125721.

It is a self number, because there is not a number n which added to its sum of digits gives 127521486400486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127521486400481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865752601 + ... + 865899883.

It is an arithmetic number, because the mean of its divisors is an integer number (6120700482204).

Almost surely, 2^{127521486400486} is an apocalyptic number.

127521486400486 is a deficient number, since it is larger than the sum of its proper divisors (68340929030042).

127521486400486 is a wasteful number, since it uses less digits than its factorization.

127521486400486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154036.

The product of its (nonzero) digits is 20643840, while the sum is 58.

The spelling of 127521486400486 in words is "one hundred twenty-seven trillion, five hundred twenty-one billion, four hundred eighty-six million, four hundred thousand, four hundred eighty-six".