1271293852 has 6 divisors (see below), whose sum is σ = 2224764248. Its totient is φ = 635646924.

The previous prime is 1271293843. The next prime is 1271293853. The reversal of 1271293852 is 2583921721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271293853) by changing a digit.

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 as a sum of consecutive naturals, namely, 158911728 + ... + 158911735.

Almost surely, 2^1271293852 is an apocalyptic number.

It is an amenable number.

1271293852 is a deficient number, since it is larger than the sum of its proper divisors (953470396).

1271293852 is a wasteful number, since it uses less digits than its factorization.

1271293852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317823467 (or 317823465 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 1271293852 is about 35655.2079225462. The cubic root of 1271293852 is about 1083.2997649454.

The spelling of 1271293852 in words is "one billion, two hundred seventy-one million, two hundred ninety-three thousand, eight hundred fifty-two".