5122665 has 12 divisors (see below), whose sum is σ = 8879364. Its totient is φ = 2732064.

The previous prime is 5122651. The next prime is 5122669. The reversal of 5122665 is 5662215.

It can be written as a sum of positive squares in 2 ways, for example, as 1390041 + 3732624 = 1179^2 + 1932^2 .

It is not a de Polignac number, because 5122665 - 2¹² = 5118569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5122669) 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 11 ways as a sum of consecutive naturals, for example, 56874 + ... + 56963.

It is an arithmetic number, because the mean of its divisors is an integer number (739947).

Almost surely, 2^5122665 is an apocalyptic number.

It is an amenable number.

5122665 is a deficient number, since it is larger than the sum of its proper divisors (3756699).

5122665 is a wasteful number, since it uses less digits than its factorization.

5122665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113848 (or 113845 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5122665 is about 2263.3305105530. The cubic root of 5122665 is about 172.3846740180.

The spelling of 5122665 in words is "five million, one hundred twenty-two thousand, six hundred sixty-five".