1271864848 has 20 divisors (see below), whose sum is σ = 2466030780. Its totient is φ = 635469824.

The previous prime is 1271864837. The next prime is 1271864849. The reversal of 1271864848 is 8484681721.

It can be written as a sum of positive squares in 2 ways, for example, as 295427344 + 976437504 = 17188^2 + 31248^2 .

It is not an unprimeable number, because it can be changed into a prime (1271864849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5665 + ... + 50752.

It is an arithmetic number, because the mean of its divisors is an integer number (123301539).

Almost surely, 2^1271864848 is an apocalyptic number.

It is an amenable number.

1271864848 is a deficient number, since it is larger than the sum of its proper divisors (1194165932).

1271864848 is a wasteful number, since it uses less digits than its factorization.

1271864848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57834 (or 57828 counting only the distinct ones).

The product of its digits is 688128, while the sum is 49.

The square root of 1271864848 is about 35663.2142129674. The cubic root of 1271864848 is about 1083.4619270993.

The spelling of 1271864848 in words is "one billion, two hundred seventy-one million, eight hundred sixty-four thousand, eight hundred forty-eight".