5127121 has 4 divisors (see below), whose sum is σ = 5292544. Its totient is φ = 4961700.

The previous prime is 5127107. The next prime is 5127139. The reversal of 5127121 is 1217215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5127121 - 2¹¹ = 5125073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5127181) 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, 82665 + ... + 82726.

It is an arithmetic number, because the mean of its divisors is an integer number (1323136).

Almost surely, 2^5127121 is an apocalyptic number.

It is an amenable number.

5127121 is a deficient number, since it is larger than the sum of its proper divisors (165423).

5127121 is a wasteful number, since it uses less digits than its factorization.

5127121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165422.

The product of its digits is 140, while the sum is 19.

The square root of 5127121 is about 2264.3146866105. The cubic root of 5127121 is about 172.4346430275.

It can be divided in two parts, 51 and 27121, that added together give a palindrome (27172).

The spelling of 5127121 in words is "five million, one hundred twenty-seven thousand, one hundred twenty-one".