5122865 has 16 divisors (see below), whose sum is σ = 7102080. Its totient is φ = 3505920.

The previous prime is 5122853. The next prime is 5122867. The reversal of 5122865 is 5682215.

It is not a de Polignac number, because 5122865 - 2⁴ = 5122849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5122867) 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 15 ways as a sum of consecutive naturals, for example, 1805 + ... + 3674.

It is an arithmetic number, because the mean of its divisors is an integer number (443880).

Almost surely, 2^5122865 is an apocalyptic number.

5122865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5122865 is a deficient number, since it is larger than the sum of its proper divisors (1979215).

5122865 is a wasteful number, since it uses less digits than its factorization.

5122865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512.

The product of its digits is 4800, while the sum is 29.

The square root of 5122865 is about 2263.3746927983. The cubic root of 5122865 is about 172.3869174132.

The spelling of 5122865 in words is "five million, one hundred twenty-two thousand, eight hundred sixty-five".