102402120104 has 32 divisors (see below), whose sum is σ = 192259267200. Its totient is φ = 51133040640.

The previous prime is 102402120103. The next prime is 102402120127. The reversal of 102402120104 is 401021204201.

It is not an unprimeable number, because it can be changed into a prime (102402120103) 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, 29619944 + ... + 29623400.

It is an arithmetic number, because the mean of its divisors is an integer number (6008102100).

Almost surely, 2^102402120104 is an apocalyptic number.

It is an amenable number.

102402120104 is a deficient number, since it is larger than the sum of its proper divisors (89857147096).

102402120104 is a wasteful number, since it uses less digits than its factorization.

102402120104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7313 (or 7309 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102402120104 its reverse (401021204201), we get a palindrome (503423324305).

The spelling of 102402120104 in words is "one hundred two billion, four hundred two million, one hundred twenty thousand, one hundred four".