1271882 has 8 divisors (see below), whose sum is σ = 1973700. Its totient is φ = 613984.

The previous prime is 1271849. The next prime is 1271903. The reversal of 1271882 is 2881721.

It can be written as a sum of positive squares in 2 ways, for example, as 1104601 + 167281 = 1051^2 + 409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10907 + ... + 11022.

2^1271882 is an apocalyptic number.

1271882 is a deficient number, since it is larger than the sum of its proper divisors (701818).

1271882 is a wasteful number, since it uses less digits than its factorization.

1271882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21960.

The product of its digits is 1792, while the sum is 29.

The square root of 1271882 is about 1127.7774603174. Note that the first 3 decimals coincide. The cubic root of 1271882 is about 108.3466797495.

The spelling of 1271882 in words is "one million, two hundred seventy-one thousand, eight hundred eighty-two".