1271424471 has 8 divisors (see below), whose sum is σ = 1697389824. Its totient is φ = 846537720.

The previous prime is 1271424449. The next prime is 1271424491. The reversal of 1271424471 is 1744241721.

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

It is not a de Polignac number, because 1271424471 - 2¹⁵ = 1271391703 is a prime.

It is a super-3 number, since 3×1271424471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271424491) 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 7 ways as a sum of consecutive naturals, for example, 266895 + ... + 271616.

It is an arithmetic number, because the mean of its divisors is an integer number (212173728).

Almost surely, 2^1271424471 is an apocalyptic number.

1271424471 is a deficient number, since it is larger than the sum of its proper divisors (425965353).

1271424471 is an equidigital number, since it uses as much as digits as its factorization.

1271424471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539301.

The product of its digits is 12544, while the sum is 33.

The square root of 1271424471 is about 35657.0395714507. The cubic root of 1271424471 is about 1083.3368648616.

The spelling of 1271424471 in words is "one billion, two hundred seventy-one million, four hundred twenty-four thousand, four hundred seventy-one".