102355688 has 8 divisors (see below), whose sum is σ = 191916930. Its totient is φ = 51177840.

The previous prime is 102355663. The next prime is 102355697. The reversal of 102355688 is 886553201.

It can be written as a sum of positive squares in only one way, i.e., 101646724 + 708964 = 10082^2 + 842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6397223 + ... + 6397238.

Almost surely, 2^102355688 is an apocalyptic number.

It is an amenable number.

102355688 is a deficient number, since it is larger than the sum of its proper divisors (89561242).

102355688 is a wasteful number, since it uses less digits than its factorization.

102355688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12794467 (or 12794463 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 102355688 is about 10117.0987936266. The cubic root of 102355688 is about 467.7753444848.

The spelling of 102355688 in words is "one hundred two million, three hundred fifty-five thousand, six hundred eighty-eight".