102559808 has 28 divisors (see below), whose sum is σ = 219174060. Its totient is φ = 47334912.

The previous prime is 102559801. The next prime is 102559867. The reversal of 102559808 is 808955201.

It can be written as a sum of positive squares in 2 ways, for example, as 43454464 + 59105344 = 6592^2 + 7688^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102559801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60803 + ... + 62466.

It is an arithmetic number, because the mean of its divisors is an integer number (7827645).

Almost surely, 2^102559808 is an apocalyptic number.

It is an amenable number.

102559808 is an abundant number, since it is smaller than the sum of its proper divisors (116614252).

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

102559808 is a wasteful number, since it uses less digits than its factorization.

102559808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123294 (or 123284 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 102559808 is about 10127.1816415032. The cubic root of 102559808 is about 468.0860873607.

The spelling of 102559808 in words is "one hundred two million, five hundred fifty-nine thousand, eight hundred eight".