127985201062461 has 8 divisors (see below), whose sum is σ = 189607705277760. Its totient is φ = 85323467374956.

The previous prime is 127985201062421. The next prime is 127985201062471. The reversal of 127985201062461 is 164260102589721.

127985201062461 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 8 + 5 + 2 + 0 + 1 + 0 + 624 + 6 + 1 = 666.

It is not a de Polignac number, because 127985201062461 - 2¹¹ = 127985201060413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 127985201062398 and 127985201062407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127985201062421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2370096315945 + ... + 2370096315998.

It is an arithmetic number, because the mean of its divisors is an integer number (23700963159720).

Almost surely, 2^{127985201062461} is an apocalyptic number.

It is an amenable number.

127985201062461 is a deficient number, since it is larger than the sum of its proper divisors (61622504215299).

127985201062461 is an equidigital number, since it uses as much as digits as its factorization.

127985201062461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740192631952 (or 4740192631946 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 127985201062461 in words is "one hundred twenty-seven trillion, nine hundred eighty-five billion, two hundred one million, sixty-two thousand, four hundred sixty-one".