127256051281 has 8 divisors (see below), whose sum is σ = 128452016000. Its totient is φ = 126060604560.

The previous prime is 127256051257. The next prime is 127256051291. The reversal of 127256051281 is 182150652721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127256051281 - 2¹¹ = 127256049233 is a prime.

It is a super-2 number, since 2×127256051281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127256051201) 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, 373270 + ... + 627568.

It is an arithmetic number, because the mean of its divisors is an integer number (16056502000).

Almost surely, 2^127256051281 is an apocalyptic number.

It is an amenable number.

127256051281 is a deficient number, since it is larger than the sum of its proper divisors (1195964719).

127256051281 is a wasteful number, since it uses less digits than its factorization.

127256051281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258999.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 127256051281 in words is "one hundred twenty-seven billion, two hundred fifty-six million, fifty-one thousand, two hundred eighty-one".