1271130425 has 6 divisors (see below), whose sum is σ = 1576201758. Its totient is φ = 1016904320.

The previous prime is 1271130401. The next prime is 1271130431. The reversal of 1271130425 is 5240311721.

It can be written as a sum of positive squares in 3 ways, for example, as 3984016 + 1267146409 = 1996^2 + 35597^2 .

It is not a de Polignac number, because 1271130425 - 2²⁶ = 1204021561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1271130394 and 1271130403.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 25422584 + ... + 25422633.

It is an arithmetic number, because the mean of its divisors is an integer number (262700293).

Almost surely, 2^1271130425 is an apocalyptic number.

It is an amenable number.

1271130425 is a deficient number, since it is larger than the sum of its proper divisors (305071333).

1271130425 is an equidigital number, since it uses as much as digits as its factorization.

1271130425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50845227 (or 50845222 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1271130425 is about 35652.9160798945. The cubic root of 1271130425 is about 1083.2533429433.

The spelling of 1271130425 in words is "one billion, two hundred seventy-one million, one hundred thirty thousand, four hundred twenty-five".