271864121 has 4 divisors (see below), whose sum is σ = 277648512. Its totient is φ = 266079732.

The previous prime is 271864111. The next prime is 271864127. The reversal of 271864121 is 121468172.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 271864121 - 2⁶ = 271864057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (271864127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2892125 + ... + 2892218.

It is an arithmetic number, because the mean of its divisors is an integer number (69412128).

Almost surely, 2^271864121 is an apocalyptic number.

It is an amenable number.

271864121 is a deficient number, since it is larger than the sum of its proper divisors (5784391).

271864121 is an equidigital number, since it uses as much as digits as its factorization.

271864121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784390.

The product of its digits is 5376, while the sum is 32.

The square root of 271864121 is about 16488.3025505963. The cubic root of 271864121 is about 647.8144513014.

The spelling of 271864121 in words is "two hundred seventy-one million, eight hundred sixty-four thousand, one hundred twenty-one".