102802106825 has 12 divisors (see below), whose sum is σ = 139063213968. Its totient is φ = 74765168400.

The previous prime is 102802106809. The next prime is 102802106831. The reversal of 102802106825 is 528601208201.

It is a happy number.

It is not a de Polignac number, because 102802106825 - 2⁴ = 102802106809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186912647 + ... + 186913196.

It is an arithmetic number, because the mean of its divisors is an integer number (11588601164).

Almost surely, 2^102802106825 is an apocalyptic number.

It is an amenable number.

102802106825 is a deficient number, since it is larger than the sum of its proper divisors (36261107143).

102802106825 is a wasteful number, since it uses less digits than its factorization.

102802106825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373825864 (or 373825859 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 102802106825 in words is "one hundred two billion, eight hundred two million, one hundred six thousand, eight hundred twenty-five".