503242103 has 24 divisors (see below), whose sum is σ = 632111760. Its totient is φ = 397111680.

The previous prime is 503242099. The next prime is 503242123. The reversal of 503242103 is 301242305.

It is a happy number.

It is not a de Polignac number, because 503242103 - 2² = 503242099 is a prime.

It is a super-2 number, since 2×503242103² = 506505228463725218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503242123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311963 + ... + 313571.

It is an arithmetic number, because the mean of its divisors is an integer number (26337990).

Almost surely, 2^503242103 is an apocalyptic number.

503242103 is a deficient number, since it is larger than the sum of its proper divisors (128869657).

503242103 is a wasteful number, since it uses less digits than its factorization.

503242103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 503242103 is about 22433.0582623057. The cubic root of 503242103 is about 795.4123372901.

Adding to 503242103 its reverse (301242305), we get a palindrome (804484408).

The spelling of 503242103 in words is "five hundred three million, two hundred forty-two thousand, one hundred three".