5121799 has 4 divisors (see below), whose sum is σ = 5260264. Its totient is φ = 4983336.

The previous prime is 5121797. The next prime is 5121821. The reversal of 5121799 is 9971215.

5121799 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 is a cyclic number.

It is not a de Polignac number, because 5121799 - 2¹ = 5121797 is a prime.

It is a Duffinian number.

5121799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121791) 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, 69177 + ... + 69250.

It is an arithmetic number, because the mean of its divisors is an integer number (1315066).

Almost surely, 2^5121799 is an apocalyptic number.

5121799 is a deficient number, since it is larger than the sum of its proper divisors (138465).

5121799 is a wasteful number, since it uses less digits than its factorization.

5121799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138464.

The product of its digits is 5670, while the sum is 34.

The square root of 5121799 is about 2263.1391914772. The cubic root of 5121799 is about 172.3749594429.

The spelling of 5121799 in words is "five million, one hundred twenty-one thousand, seven hundred ninety-nine".