102112984 has 16 divisors (see below), whose sum is σ = 194085720. Its totient is φ = 50356800.

The previous prime is 102112961. The next prime is 102113009. The reversal of 102112984 is 489211201.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 86842 + ... + 88009.

Almost surely, 2^102112984 is an apocalyptic number.

It is an amenable number.

102112984 is a deficient number, since it is larger than the sum of its proper divisors (91972736).

102112984 is a wasteful number, since it uses less digits than its factorization.

102112984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174930 (or 174926 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 102112984 is about 10105.0969317469. The cubic root of 102112984 is about 467.4053249903.

The spelling of 102112984 in words is "one hundred two million, one hundred twelve thousand, nine hundred eighty-four".