542124503 has 4 divisors (see below), whose sum is σ = 545119848. Its totient is φ = 539129160.

The previous prime is 542124491. The next prime is 542124529. The reversal of 542124503 is 305421245.

It is a happy number.

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 542124503 - 2⁴ = 542124487 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 (542124553) 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, 1497401 + ... + 1497762.

It is an arithmetic number, because the mean of its divisors is an integer number (136279962).

Almost surely, 2^542124503 is an apocalyptic number.

542124503 is a deficient number, since it is larger than the sum of its proper divisors (2995345).

542124503 is a wasteful number, since it uses less digits than its factorization.

542124503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995344.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 542124503 is about 23283.5672309893. The cubic root of 542124503 is about 815.3918113054.

Adding to 542124503 its reverse (305421245), we get a palindrome (847545748).

The spelling of 542124503 in words is "five hundred forty-two million, one hundred twenty-four thousand, five hundred three".