5142123 has 24 divisors (see below), whose sum is σ = 8805888. Its totient is φ = 2937384.

The previous prime is 5142121. The next prime is 5142131. The reversal of 5142123 is 3212415.

It is not a de Polignac number, because 5142123 - 2¹ = 5142121 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5142096 and 5142105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190 + ... + 3212.

It is an arithmetic number, because the mean of its divisors is an integer number (366912).

Almost surely, 2^5142123 is an apocalyptic number.

5142123 is a deficient number, since it is larger than the sum of its proper divisors (3663765).

5142123 is an equidigital number, since it uses as much as digits as its factorization.

5142123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3033 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 5142123 is about 2267.6249689929. The cubic root of 5142123 is about 172.6026610078.

Adding to 5142123 its reverse (3212415), we get a palindrome (8354538).

The spelling of 5142123 in words is "five million, one hundred forty-two thousand, one hundred twenty-three".