12542123 has 8 divisors (see below), whose sum is σ = 14154480. Its totient is φ = 11008480.

The previous prime is 12542113. The next prime is 12542137. The reversal of 12542123 is 32124521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12542123 - 2⁶ = 12542059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12542095 and 12542104.

It is not an unprimeable number, because it can be changed into a prime (12542113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19340 + ... + 19977.

It is an arithmetic number, because the mean of its divisors is an integer number (1769310).

Almost surely, 2^12542123 is an apocalyptic number.

12542123 is a deficient number, since it is larger than the sum of its proper divisors (1612357).

12542123 is a wasteful number, since it uses less digits than its factorization.

12542123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39357.

The product of its digits is 480, while the sum is 20.

The square root of 12542123 is about 3541.4859875482. The cubic root of 12542123 is about 232.3398395948.

Adding to 12542123 its reverse (32124521), we get a palindrome (44666644).

The spelling of 12542123 in words is "twelve million, five hundred forty-two thousand, one hundred twenty-three".