5220123 has 4 divisors (see below), whose sum is σ = 6960168. Its totient is φ = 3480080.

The previous prime is 5220113. The next prime is 5220151. The reversal of 5220123 is 3210225.

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 5220123 - 2⁴ = 5220107 is a prime.

It is a D-number.

5220123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5220113) 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, 870018 + ... + 870023.

It is an arithmetic number, because the mean of its divisors is an integer number (1740042).

Almost surely, 2^5220123 is an apocalyptic number.

5220123 is a deficient number, since it is larger than the sum of its proper divisors (1740045).

5220123 is a wasteful number, since it uses less digits than its factorization.

5220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740044.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 5220123 is about 2284.7588494193. The cubic root of 5220123 is about 173.4710119968.

Adding to 5220123 its reverse (3210225), we get a palindrome (8430348).

The spelling of 5220123 in words is "five million, two hundred twenty thousand, one hundred twenty-three".