102249608 has 16 divisors (see below), whose sum is σ = 193873500. Its totient is φ = 50550016.

The previous prime is 102249607. The next prime is 102249629. The reversal of 102249608 is 806942201.

It can be written as a sum of positive squares in 2 ways, for example, as 90973444 + 11276164 = 9538^2 + 3358^2 .

It is not an unprimeable number, because it can be changed into a prime (102249607) 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, 71093 + ... + 72516.

Almost surely, 2^102249608 is an apocalyptic number.

It is an amenable number.

102249608 is a deficient number, since it is larger than the sum of its proper divisors (91623892).

102249608 is a wasteful number, since it uses less digits than its factorization.

102249608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143704 (or 143700 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 102249608 is about 10111.8548249072. The cubic root of 102249608 is about 467.6136900235.

The spelling of 102249608 in words is "one hundred two million, two hundred forty-nine thousand, six hundred eight".