102078684 has 48 divisors (see below), whose sum is σ = 271115040. Its totient is φ = 33194880.

The previous prime is 102078679. The next prime is 102078701. The reversal of 102078684 is 486870201.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 7099 + ... + 15954.

It is an arithmetic number, because the mean of its divisors is an integer number (5648230).

Almost surely, 2^102078684 is an apocalyptic number.

It is an amenable number.

102078684 is an abundant number, since it is smaller than the sum of its proper divisors (169036356).

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

102078684 is a wasteful number, since it uses less digits than its factorization.

102078684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23107 (or 23099 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 102078684 is about 10103.3996258685. The cubic root of 102078684 is about 467.3529849338.

The spelling of 102078684 in words is "one hundred two million, seventy-eight thousand, six hundred eighty-four".