1271583048 has 64 divisors (see below), whose sum is σ = 3286540800. Its totient is φ = 409559040.

The previous prime is 1271583041. The next prime is 1271583059. The reversal of 1271583048 is 8403851721.

It is a junction number, because it is equal to n+sod(n) for n = 1271582997 and 1271583015.

It is not an unprimeable number, because it can be changed into a prime (1271583041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901768 + ... + 903176.

It is an arithmetic number, because the mean of its divisors is an integer number (51352200).

Almost surely, 2^1271583048 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 1271583048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643270400).

1271583048 is an abundant number, since it is smaller than the sum of its proper divisors (2014957752).

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

1271583048 is a wasteful number, since it uses less digits than its factorization.

1271583048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1271583048 is about 35659.2631443781. The cubic root of 1271583048 is about 1083.3819023169.

The spelling of 1271583048 in words is "one billion, two hundred seventy-one million, five hundred eighty-three thousand, forty-eight".