27042103 has 4 divisors (see below), whose sum is σ = 29500488. Its totient is φ = 24583720.

The previous prime is 27042101. The next prime is 27042109. The reversal of 27042103 is 30124072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27042103 - 2¹ = 27042101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27042101) 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, 1229176 + ... + 1229197.

It is an arithmetic number, because the mean of its divisors is an integer number (7375122).

Almost surely, 2^27042103 is an apocalyptic number.

27042103 is a deficient number, since it is larger than the sum of its proper divisors (2458385).

27042103 is a wasteful number, since it uses less digits than its factorization.

27042103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458384.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 27042103 is about 5200.2022076069. The cubic root of 27042103 is about 300.1558560527.

Adding to 27042103 its reverse (30124072), we get a palindrome (57166175).

The spelling of 27042103 in words is "twenty-seven million, forty-two thousand, one hundred three".