121692000503 has 2 divisors, whose sum is σ = 121692000504. Its totient is φ = 121692000502.

The previous prime is 121692000487. The next prime is 121692000509. The reversal of 121692000503 is 305000296121.

It is a strong prime.

It is an emirp because it is prime and its reverse (305000296121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121692000503 - 2⁴ = 121692000487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121692000509) by changing a digit.

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 as a sum of consecutive naturals, namely, 60846000251 + 60846000252.

It is an arithmetic number, because the mean of its divisors is an integer number (60846000252).

Almost surely, 2^121692000503 is an apocalyptic number.

121692000503 is a deficient number, since it is larger than the sum of its proper divisors (1).

121692000503 is an equidigital number, since it uses as much as digits as its factorization.

121692000503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 121692000503 its reverse (305000296121), we get a palindrome (426692296624).

The spelling of 121692000503 in words is "one hundred twenty-one billion, six hundred ninety-two million, five hundred three", and thus it is an aban number.