5127109 has 4 divisors (see below), whose sum is σ = 5521516. Its totient is φ = 4732704.

The previous prime is 5127107. The next prime is 5127139. The reversal of 5127109 is 9017215.

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 3526884 + 1600225 = 1878^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 5127109 - 2¹ = 5127107 is a prime.

It is an Ulam number.

5127109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5127103) 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, 197184 + ... + 197209.

It is an arithmetic number, because the mean of its divisors is an integer number (1380379).

Almost surely, 2^5127109 is an apocalyptic number.

It is an amenable number.

5127109 is a deficient number, since it is larger than the sum of its proper divisors (394407).

5127109 is a wasteful number, since it uses less digits than its factorization.

5127109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394406.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 5127109 is about 2264.3120368006. The cubic root of 5127109 is about 172.4345084999.

The spelling of 5127109 in words is "five million, one hundred twenty-seven thousand, one hundred nine".