272121241 has 4 divisors (see below), whose sum is σ = 310995712. Its totient is φ = 233246772.

The previous prime is 272121229. The next prime is 272121251. The reversal of 272121241 is 142121272.

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 272121241 - 2⁵ = 272121209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272121221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19437225 + ... + 19437238.

It is an arithmetic number, because the mean of its divisors is an integer number (77748928).

Almost surely, 2^272121241 is an apocalyptic number.

It is an amenable number.

272121241 is a deficient number, since it is larger than the sum of its proper divisors (38874471).

272121241 is an equidigital number, since it uses as much as digits as its factorization.

272121241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38874470.

The product of its digits is 448, while the sum is 22.

The square root of 272121241 is about 16496.0977506803. The cubic root of 272121241 is about 648.0186140375.

The spelling of 272121241 in words is "two hundred seventy-two million, one hundred twenty-one thousand, two hundred forty-one".