1271423071337 has 4 divisors (see below), whose sum is σ = 1272134557776. Its totient is φ = 1270711584900.

The previous prime is 1271423071301. The next prime is 1271423071349. The reversal of 1271423071337 is 7331703241721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1271423071337 - 2³² = 1267128104041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1271423071294 and 1271423071303.

It is not an unprimeable number, because it can be changed into a prime (1271423071357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355740539 + ... + 355744112.

It is an arithmetic number, because the mean of its divisors is an integer number (318033639444).

Almost surely, 2^{1271423071337} is an apocalyptic number.

It is an amenable number.

1271423071337 is a deficient number, since it is larger than the sum of its proper divisors (711486439).

1271423071337 is an equidigital number, since it uses as much as digits as its factorization.

1271423071337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711486438.

The product of its (nonzero) digits is 148176, while the sum is 41.

The spelling of 1271423071337 in words is "one trillion, two hundred seventy-one billion, four hundred twenty-three million, seventy-one thousand, three hundred thirty-seven".