1271303152 has 40 divisors (see below), whose sum is σ = 2819772896. Its totient is φ = 543926016.

The previous prime is 1271303123. The next prime is 1271303161. The reversal of 1271303152 is 2513031721.

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, 59398 + ... + 77914.

Almost surely, 2^1271303152 is an apocalyptic number.

It is an amenable number.

1271303152 is an abundant number, since it is smaller than the sum of its proper divisors (1548469744).

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

1271303152 is a wasteful number, since it uses less digits than its factorization.

1271303152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19145 (or 19139 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1271303152 is about 35655.3383380385. The cubic root of 1271303152 is about 1083.3024065228.

Adding to 1271303152 its reverse (2513031721), we get a palindrome (3784334873).

The spelling of 1271303152 in words is "one billion, two hundred seventy-one million, three hundred three thousand, one hundred fifty-two".