102503231124121 has 8 divisors (see below), whose sum is σ = 104439030751944. Its totient is φ = 100567497288960.

The previous prime is 102503231124071. The next prime is 102503231124137. The reversal of 102503231124121 is 121421132305201.

It can be written as a sum of positive squares in 4 ways, for example, as 10687740562521 + 91815490561600 = 3269211^2 + 9582040^2 .

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 102503231124121 - 2²⁷ = 102503096906393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102503231124121.

It is not an unprimeable number, because it can be changed into a prime (102503231124421) 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, 13297150 + ... + 19540231.

It is an arithmetic number, because the mean of its divisors is an integer number (13054878843993).

Almost surely, 2^{102503231124121} is an apocalyptic number.

It is an amenable number.

102503231124121 is a deficient number, since it is larger than the sum of its proper divisors (1935799627823).

102503231124121 is an equidigital number, since it uses as much as digits as its factorization.

102503231124121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32896331.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 102503231124121 its reverse (121421132305201), we get a palindrome (223924363429322).

The spelling of 102503231124121 in words is "one hundred two trillion, five hundred three billion, two hundred thirty-one million, one hundred twenty-four thousand, one hundred twenty-one".