102520788 has 12 divisors (see below), whose sum is σ = 239215200. Its totient is φ = 34173592.

The previous prime is 102520777. The next prime is 102520793. The reversal of 102520788 is 887025201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4271688 + ... + 4271711.

It is an arithmetic number, because the mean of its divisors is an integer number (19934600).

Almost surely, 2^102520788 is an apocalyptic number.

It is an amenable number.

102520788 is an abundant number, since it is smaller than the sum of its proper divisors (136694412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102520788 is a wasteful number, since it uses less digits than its factorization.

102520788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543406 (or 8543404 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 102520788 is about 10125.2549597529. The cubic root of 102520788 is about 468.0267170079.

Adding to 102520788 its reverse (887025201), we get a palindrome (989545989).

The spelling of 102520788 in words is "one hundred two million, five hundred twenty thousand, seven hundred eighty-eight".