5122861 has 4 divisors (see below), whose sum is σ = 5175772. Its totient is φ = 5069952.

The previous prime is 5122853. The next prime is 5122867. The reversal of 5122861 is 1682215.

5122861 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 can be written as a sum of positive squares in 2 ways, for example, as 670761 + 4452100 = 819^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 5122861 - 2³ = 5122853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26310 + ... + 26503.

It is an arithmetic number, because the mean of its divisors is an integer number (1293943).

Almost surely, 2^5122861 is an apocalyptic number.

It is an amenable number.

5122861 is a deficient number, since it is larger than the sum of its proper divisors (52911).

5122861 is an equidigital number, since it uses as much as digits as its factorization.

5122861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52910.

The product of its digits is 960, while the sum is 25.

The square root of 5122861 is about 2263.3738091619. The cubic root of 5122861 is about 172.3868725458.

The spelling of 5122861 in words is "five million, one hundred twenty-two thousand, eight hundred sixty-one".