1271371425 has 24 divisors (see below), whose sum is σ = 2108885856. Its totient is φ = 675843840.

The previous prime is 1271371417. The next prime is 1271371447. The reversal of 1271371425 is 5241731721.

It is not a de Polignac number, because 1271371425 - 2³ = 1271371417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4584 + ... + 50633.

It is an arithmetic number, because the mean of its divisors is an integer number (87870244).

Almost surely, 2^1271371425 is an apocalyptic number.

1271371425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1271371425 is a deficient number, since it is larger than the sum of its proper divisors (837514431).

1271371425 is a wasteful number, since it uses less digits than its factorization.

1271371425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55537 (or 55532 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 1271371425 is about 35656.2957274028. The cubic root of 1271371425 is about 1083.3217984308.

The spelling of 1271371425 in words is "one billion, two hundred seventy-one million, three hundred seventy-one thousand, four hundred twenty-five".