27145124 has 24 divisors (see below), whose sum is σ = 51662520. Its totient is φ = 12427776.

The previous prime is 27145103. The next prime is 27145147. The reversal of 27145124 is 42154172.

It can be written as a sum of positive squares in 4 ways, for example, as 12460900 + 14684224 = 3530^2 + 3832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27145093 and 27145102.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2879 + ... + 7910.

It is an arithmetic number, because the mean of its divisors is an integer number (2152605).

Almost surely, 2^27145124 is an apocalyptic number.

It is an amenable number.

27145124 is a deficient number, since it is larger than the sum of its proper divisors (24517396).

27145124 is a wasteful number, since it uses less digits than its factorization.

27145124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10847 (or 10845 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 27145124 is about 5210.0982716260. The cubic root of 27145124 is about 300.5365361541.

Adding to 27145124 its reverse (42154172), we get a palindrome (69299296).

The spelling of 27145124 in words is "twenty-seven million, one hundred forty-five thousand, one hundred twenty-four".