27097123 has 2 divisors, whose sum is σ = 27097124. Its totient is φ = 27097122.

The previous prime is 27097121. The next prime is 27097127. The reversal of 27097123 is 32179072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27097123 - 2¹ = 27097121 is a prime.

Together with 27097121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27097121) 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 as a sum of consecutive naturals, namely, 13548561 + 13548562.

It is an arithmetic number, because the mean of its divisors is an integer number (13548562).

Almost surely, 2^27097123 is an apocalyptic number.

27097123 is a deficient number, since it is larger than the sum of its proper divisors (1).

27097123 is an equidigital number, since it uses as much as digits as its factorization.

27097123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 27097123 is about 5205.4896983857. The cubic root of 27097123 is about 300.3592843589.

The spelling of 27097123 in words is "twenty-seven million, ninety-seven thousand, one hundred twenty-three".