27421124 has 24 divisors (see below), whose sum is σ = 50174040. Its totient is φ = 13095936.

The previous prime is 27421117. The next prime is 27421127. The reversal of 27421124 is 42112472.

It can be written as a sum of positive squares in 4 ways, for example, as 10048900 + 17372224 = 3170^2 + 4168^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27421124.

It is not an unprimeable number, because it can be changed into a prime (27421127) 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 7 ways as a sum of consecutive naturals, for example, 10034 + ... + 12470.

It is an arithmetic number, because the mean of its divisors is an integer number (2090585).

Almost surely, 2^27421124 is an apocalyptic number.

It is an amenable number.

27421124 is a deficient number, since it is larger than the sum of its proper divisors (22752916).

27421124 is a wasteful number, since it uses less digits than its factorization.

27421124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567 (or 2565 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 27421124 is about 5236.5183089530. The cubic root of 27421124 is about 301.5516789892.

Adding to 27421124 its reverse (42112472), we get a palindrome (69533596).

The spelling of 27421124 in words is "twenty-seven million, four hundred twenty-one thousand, one hundred twenty-four".