102122130123 has 24 divisors (see below), whose sum is σ = 158882898720. Its totient is φ = 62834002560.

The previous prime is 102122130119. The next prime is 102122130133. The reversal of 102122130123 is 321031221201.

It is not a de Polignac number, because 102122130123 - 2² = 102122130119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102122130096 and 102122130105.

It is not an unprimeable number, because it can be changed into a prime (102122130133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671538 + ... + 809448.

It is an arithmetic number, because the mean of its divisors is an integer number (6620120780).

Almost surely, 2^102122130123 is an apocalyptic number.

102122130123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102122130123 is a deficient number, since it is larger than the sum of its proper divisors (56760768597).

102122130123 is a wasteful number, since it uses less digits than its factorization.

102122130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144259 (or 144256 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102122130123 its reverse (321031221201), we get a palindrome (423153351324).

The spelling of 102122130123 in words is "one hundred two billion, one hundred twenty-two million, one hundred thirty thousand, one hundred twenty-three".