1271027355451 has 8 divisors (see below), whose sum is σ = 1464040509440. Its totient is φ = 1080873655848.

The previous prime is 1271027355443. The next prime is 1271027355461. The reversal of 1271027355451 is 1545537201721.

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

It is not a de Polignac number, because 1271027355451 - 2³ = 1271027355443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1271027355398 and 1271027355407.

It is not an unprimeable number, because it can be changed into a prime (1271027355421) 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, 714862641 + ... + 714864418.

It is an arithmetic number, because the mean of its divisors is an integer number (183005063680).

Almost surely, 2^{1271027355451} is an apocalyptic number.

1271027355451 is a deficient number, since it is larger than the sum of its proper divisors (193013153989).

1271027355451 is a wasteful number, since it uses less digits than its factorization.

1271027355451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429727193.

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 1271027355451 in words is "one trillion, two hundred seventy-one billion, twenty-seven million, three hundred fifty-five thousand, four hundred fifty-one".