271887122 has 16 divisors (see below), whose sum is σ = 454348440. Its totient is φ = 121158912.

The previous prime is 271887101. The next prime is 271887149. The reversal of 271887122 is 221788172.

It is a Cunningham number, because it is equal to 16489²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 142587481 + 129299641 = 11941^2 + 11371^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179543 + ... + 181050.

Almost surely, 2^271887122 is an apocalyptic number.

271887122 is a deficient number, since it is larger than the sum of its proper divisors (182461318).

271887122 is a wasteful number, since it uses less digits than its factorization.

271887122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360637.

The product of its digits is 25088, while the sum is 38.

The square root of 271887122 is about 16489.0000303232. Note that the first 4 decimals coincide. The cubic root of 271887122 is about 647.8327201826.

The spelling of 271887122 in words is "two hundred seventy-one million, eight hundred eighty-seven thousand, one hundred twenty-two".