102502004656123 has 2 divisors, whose sum is σ = 102502004656124. Its totient is φ = 102502004656122.

The previous prime is 102502004656043. The next prime is 102502004656141. The reversal of 102502004656123 is 321656400205201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102502004656123 is a prime.

It is a super-2 number, since 2×102502004656123² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102502004626123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51251002328061 + 51251002328062.

It is an arithmetic number, because the mean of its divisors is an integer number (51251002328062).

Almost surely, 2^{102502004656123} is an apocalyptic number.

102502004656123 is a deficient number, since it is larger than the sum of its proper divisors (1).

102502004656123 is an equidigital number, since it uses as much as digits as its factorization.

102502004656123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 102502004656123 in words is "one hundred two trillion, five hundred two billion, four million, six hundred fifty-six thousand, one hundred twenty-three".