102155608 has 8 divisors (see below), whose sum is σ = 191541780. Its totient is φ = 51077800.

The previous prime is 102155587. The next prime is 102155617. The reversal of 102155608 is 806551201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6384718 + ... + 6384733.

Almost surely, 2^102155608 is an apocalyptic number.

It is an amenable number.

102155608 is a deficient number, since it is larger than the sum of its proper divisors (89386172).

102155608 is a wasteful number, since it uses less digits than its factorization.

102155608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769457 (or 12769453 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 102155608 is about 10107.2057463970. The cubic root of 102155608 is about 467.4703507177.

The spelling of 102155608 in words is "one hundred two million, one hundred fifty-five thousand, six hundred eight".