27012103 has 2 divisors, whose sum is σ = 27012104. Its totient is φ = 27012102.

The previous prime is 27012023. The next prime is 27012113. The reversal of 27012103 is 30121072.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27012103 - 2¹⁷ = 26881031 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27012113) 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 as a sum of consecutive naturals, namely, 13506051 + 13506052.

It is an arithmetic number, because the mean of its divisors is an integer number (13506052).

Almost surely, 2^27012103 is an apocalyptic number.

27012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

27012103 is an equidigital number, since it uses as much as digits as its factorization.

27012103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 27012103 is about 5197.3169039419. The cubic root of 27012103 is about 300.0448192297.

Adding to 27012103 its reverse (30121072), we get a palindrome (57133175).

The spelling of 27012103 in words is "twenty-seven million, twelve thousand, one hundred three".