27123241 has 4 divisors (see below), whose sum is σ = 28550800. Its totient is φ = 25695684.

The previous prime is 27123221. The next prime is 27123251. The reversal of 27123241 is 14232172.

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 a de Polignac number, because none of the positive numbers 2^k-27123241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27123221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713751 + ... + 713788.

It is an arithmetic number, because the mean of its divisors is an integer number (7137700).

Almost surely, 2^27123241 is an apocalyptic number.

It is an amenable number.

27123241 is a deficient number, since it is larger than the sum of its proper divisors (1427559).

27123241 is a wasteful number, since it uses less digits than its factorization.

27123241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427558.

The product of its digits is 672, while the sum is 22.

The square root of 27123241 is about 5207.9977918582. The cubic root of 27123241 is about 300.4557554209.

The spelling of 27123241 in words is "twenty-seven million, one hundred twenty-three thousand, two hundred forty-one".