102503121304134 has 16 divisors (see below), whose sum is σ = 205008470033472. Its totient is φ = 34167335863848.

The previous prime is 102503121304109. The next prime is 102503121304139. The reversal of 102503121304134 is 431403121305201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102503121304139) 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, 92210844 + ... + 93315839.

It is an arithmetic number, because the mean of its divisors is an integer number (12813029377092).

Almost surely, 2^{102503121304134} is an apocalyptic number.

102503121304134 is an abundant number, since it is smaller than the sum of its proper divisors (102505348729338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102503121304134 is a wasteful number, since it uses less digits than its factorization.

102503121304134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185618771.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 102503121304134 its reverse (431403121305201), we get a palindrome (533906242609335).

The spelling of 102503121304134 in words is "one hundred two trillion, five hundred three billion, one hundred twenty-one million, three hundred four thousand, one hundred thirty-four".