5042123 has 4 divisors (see below), whose sum is σ = 5057688. Its totient is φ = 5026560.

The previous prime is 5042111. The next prime is 5042131. The reversal of 5042123 is 3212405.

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 5042123 - 2¹⁸ = 4779979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5042423) 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, 7286 + ... + 7947.

It is an arithmetic number, because the mean of its divisors is an integer number (1264422).

Almost surely, 2^5042123 is an apocalyptic number.

5042123 is a deficient number, since it is larger than the sum of its proper divisors (15565).

5042123 is a wasteful number, since it uses less digits than its factorization.

5042123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15564.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5042123 is about 2245.4672119628. The cubic root of 5042123 is about 171.4764479043.

Adding to 5042123 its reverse (3212405), we get a palindrome (8254528).

The spelling of 5042123 in words is "five million, forty-two thousand, one hundred twenty-three".