1271370448 has 40 divisors (see below), whose sum is σ = 2577924288. Its totient is φ = 606262272.

The previous prime is 1271370437. The next prime is 1271370461. The reversal of 1271370448 is 8440731721.

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, 125011 + ... + 134797.

Almost surely, 2^1271370448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271370448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288962144).

1271370448 is an abundant number, since it is smaller than the sum of its proper divisors (1306553840).

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

1271370448 is a wasteful number, since it uses less digits than its factorization.

1271370448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171 (or 10165 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1271370448 is about 35656.2820271548. The cubic root of 1271370448 is about 1083.3215209337.

The spelling of 1271370448 in words is "one billion, two hundred seventy-one million, three hundred seventy thousand, four hundred forty-eight".