8127149 has 4 divisors (see below), whose sum is σ = 8201820. Its totient is φ = 8052480.

The previous prime is 8127131. The next prime is 8127169. The reversal of 8127149 is 9417218.

8127149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5175625 + 2951524 = 2275^2 + 1718^2 .

It is a cyclic number.

It is not a de Polignac number, because 8127149 - 2⁸ = 8126893 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 (8127169) 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 in 3 ways as a sum of consecutive naturals, for example, 37172 + ... + 37389.

It is an arithmetic number, because the mean of its divisors is an integer number (2050455).

Almost surely, 2^8127149 is an apocalyptic number.

It is an amenable number.

8127149 is a deficient number, since it is larger than the sum of its proper divisors (74671).

8127149 is a wasteful number, since it uses less digits than its factorization.

8127149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74670.

The product of its digits is 4032, while the sum is 32.

The square root of 8127149 is about 2850.8154973621. The cubic root of 8127149 is about 201.0540105510.

The spelling of 8127149 in words is "eight million, one hundred twenty-seven thousand, one hundred forty-nine".