102114125128 has 32 divisors (see below), whose sum is σ = 196050792960. Its totient is φ = 49835540160.

The previous prime is 102114125123. The next prime is 102114125129. The reversal of 102114125128 is 821521411201.

It is a junction number, because it is equal to n+sod(n) for n = 102114125096 and 102114125105.

It is not an unprimeable number, because it can be changed into a prime (102114125123) 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, 405126 + ... + 606922.

It is an arithmetic number, because the mean of its divisors is an integer number (6126587280).

Almost surely, 2^102114125128 is an apocalyptic number.

It is an amenable number.

102114125128 is a deficient number, since it is larger than the sum of its proper divisors (93936667832).

102114125128 is a wasteful number, since it uses less digits than its factorization.

102114125128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203317 (or 203313 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

Adding to 102114125128 its reverse (821521411201), we get a palindrome (923635536329).

The spelling of 102114125128 in words is "one hundred two billion, one hundred fourteen million, one hundred twenty-five thousand, one hundred twenty-eight".