27126149 has 4 divisors (see below), whose sum is σ = 27185964. Its totient is φ = 27066336.

The previous prime is 27126119. The next prime is 27126179. The reversal of 27126149 is 94162172.

27126149 = 3006² + 3007² + 3008².

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (27126119) and next prime (27126179).

It can be written as a sum of positive squares in 2 ways, for example, as 19201924 + 7924225 = 4382^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 27126149 - 2⁸ = 27125893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27126109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29222 + ... + 30135.

It is an arithmetic number, because the mean of its divisors is an integer number (6796491).

Almost surely, 2^27126149 is an apocalyptic number.

It is an amenable number.

27126149 is a deficient number, since it is larger than the sum of its proper divisors (59815).

27126149 is an equidigital number, since it uses as much as digits as its factorization.

27126149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59814.

The product of its digits is 6048, while the sum is 32.

The square root of 27126149 is about 5208.2769703617. The cubic root of 27126149 is about 300.4664927576.

The spelling of 27126149 in words is "twenty-seven million, one hundred twenty-six thousand, one hundred forty-nine".