102503121304 has 16 divisors (see below), whose sum is σ = 200549585520. Its totient is φ = 49023231840.

The previous prime is 102503121293. The next prime is 102503121313. The reversal of 102503121304 is 403121305201.

It is a happy number.

It is a super-3 number, since 3×102503121304³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278540907 + ... + 278541274.

It is an arithmetic number, because the mean of its divisors is an integer number (12534349095).

Almost surely, 2^102503121304 is an apocalyptic number.

It is an amenable number.

102503121304 is a deficient number, since it is larger than the sum of its proper divisors (98046464216).

102503121304 is a wasteful number, since it uses less digits than its factorization.

102503121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557082210 (or 557082206 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 102503121304 its reverse (403121305201), we get a palindrome (505624426505).

The spelling of 102503121304 in words is "one hundred two billion, five hundred three million, one hundred twenty-one thousand, three hundred four".