102042684 has 36 divisors (see below), whose sum is σ = 258321336. Its totient is φ = 33964128.

The previous prime is 102042679. The next prime is 102042719. The reversal of 102042684 is 486240201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29047 + ... + 32369.

Almost surely, 2^102042684 is an apocalyptic number.

It is an amenable number.

102042684 is an abundant number, since it is smaller than the sum of its proper divisors (156278652).

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

102042684 is a wasteful number, since it uses less digits than its factorization.

102042684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186 (or 4181 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 102042684 is about 10101.6178902194. The cubic root of 102042684 is about 467.2980381515.

Adding to 102042684 its reverse (486240201), we get a palindrome (588282885).

The spelling of 102042684 in words is "one hundred two million, forty-two thousand, six hundred eighty-four".