102861888 has 56 divisors (see below), whose sum is σ = 284000448. Its totient is φ = 32795136.

The previous prime is 102861853. The next prime is 102861901. The reversal of 102861888 is 888168201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7231 + ... + 16062.

Almost surely, 2^102861888 is an apocalyptic number.

It is an amenable number.

102861888 is an abundant number, since it is smaller than the sum of its proper divisors (181138560).

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

102861888 is a wasteful number, since it uses less digits than its factorization.

102861888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23331 (or 23321 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 42.

The square root of 102861888 is about 10142.0849927419. The cubic root of 102861888 is about 468.5452043339.

The spelling of 102861888 in words is "one hundred two million, eight hundred sixty-one thousand, eight hundred eighty-eight".