1271406448 has 40 divisors (see below), whose sum is σ = 2655034928. Its totient is φ = 586317312.

The previous prime is 1271406431. The next prime is 1271406457. The reversal of 1271406448 is 8446041721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413011 + ... + 416077.

Almost surely, 2^1271406448 is an apocalyptic number.

It is an amenable number.

1271406448 is an abundant number, since it is smaller than the sum of its proper divisors (1383628480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1271406448 is a wasteful number, since it uses less digits than its factorization.

1271406448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081 (or 5075 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 1271406448 is about 35656.7868434608. The cubic root of 1271406448 is about 1083.3317459122.

The spelling of 1271406448 in words is "one billion, two hundred seventy-one million, four hundred six thousand, four hundred forty-eight".