667124 has 6 divisors (see below), whose sum is σ = 1167474. Its totient is φ = 333560.

The previous prime is 667123. The next prime is 667127. The reversal of 667124 is 421766.

It can be written as a sum of positive squares in only one way, i.e., 446224 + 220900 = 668^2 + 470^2 .

It is a junction number, because it is equal to n+sod(n) for n = 667093 and 667102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667123) by changing a digit.

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 as a sum of consecutive naturals, namely, 83387 + ... + 83394.

It is an arithmetic number, because the mean of its divisors is an integer number (194579).

2⁶⁶⁷¹²⁴ is an apocalyptic number.

It is an amenable number.

667124 is a deficient number, since it is larger than the sum of its proper divisors (500350).

667124 is a wasteful number, since it uses less digits than its factorization.

667124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166785 (or 166783 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 667124 is about 816.7765912414. The cubic root of 667124 is about 87.3780177808.

The spelling of 667124 in words is "six hundred sixty-seven thousand, one hundred twenty-four".