1271298792 has 32 divisors (see below), whose sum is σ = 3181445280. Its totient is φ = 423339840.

The previous prime is 1271298773. The next prime is 1271298851. The reversal of 1271298792 is 2978921721.

It is a happy number.

It is an unprimeable number.

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, 1834 + ... + 50457.

It is an arithmetic number, because the mean of its divisors is an integer number (99420165).

Almost surely, 2^1271298792 is an apocalyptic number.

1271298792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1271298792 is an abundant number, since it is smaller than the sum of its proper divisors (1910146488).

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

1271298792 is a wasteful number, since it uses less digits than its factorization.

1271298792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53313 (or 53309 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 1271298792 is about 35655.2771970714. The cubic root of 1271298792 is about 1083.3011681075.

The spelling of 1271298792 in words is "one billion, two hundred seventy-one million, two hundred ninety-eight thousand, seven hundred ninety-two".