127285420005 has 32 divisors (see below), whose sum is σ = 226302854400. Its totient is φ = 67880258496.

The previous prime is 127285419953. The next prime is 127285420037. The reversal of 127285420005 is 500024582721.

It is a happy number.

It is not a de Polignac number, because 127285420005 - 2⁸ = 127285419749 is a prime.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 2201527 + ... + 2258603.

It is an arithmetic number, because the mean of its divisors is an integer number (7071964200).

Almost surely, 2^127285420005 is an apocalyptic number.

127285420005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127285420005 is a deficient number, since it is larger than the sum of its proper divisors (99017434395).

127285420005 is a wasteful number, since it uses less digits than its factorization.

127285420005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73610 (or 73604 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 127285420005 in words is "one hundred twenty-seven billion, two hundred eighty-five million, four hundred twenty thousand, five".