271242021 has 8 divisors (see below), whose sum is σ = 382929984. Its totient is φ = 170191040.

The previous prime is 271241989. The next prime is 271242061. The reversal of 271242021 is 120242172.

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

It is a cyclic number.

It is not a de Polignac number, because 271242021 - 2⁵ = 271241989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271242061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2659185 + ... + 2659286.

It is an arithmetic number, because the mean of its divisors is an integer number (47866248).

Almost surely, 2^271242021 is an apocalyptic number.

It is an amenable number.

271242021 is a deficient number, since it is larger than the sum of its proper divisors (111687963).

271242021 is a wasteful number, since it uses less digits than its factorization.

271242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318491.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 271242021 is about 16469.4268570585. The cubic root of 271242021 is about 647.3199479494.

Adding to 271242021 its reverse (120242172), we get a palindrome (391484193).

The spelling of 271242021 in words is "two hundred seventy-one million, two hundred forty-two thousand, twenty-one".