678124 has 6 divisors (see below), whose sum is σ = 1186724. Its totient is φ = 339060.

The previous prime is 678103. The next prime is 678133. The reversal of 678124 is 421876.

678124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 678092 and 678101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84762 + ... + 84769.

2⁶⁷⁸¹²⁴ is an apocalyptic number.

It is an amenable number.

678124 is a deficient number, since it is larger than the sum of its proper divisors (508600).

678124 is a wasteful number, since it uses less digits than its factorization.

678124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169535 (or 169533 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 678124 is about 823.4828474231. The cubic root of 678124 is about 87.8556517819.

The spelling of 678124 in words is "six hundred seventy-eight thousand, one hundred twenty-four".