816124 has 12 divisors (see below), whose sum is σ = 1434664. Its totient is φ = 406224.

The previous prime is 816121. The next prime is 816131. The reversal of 816124 is 421618.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 816095 and 816104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816121) by changing a digit.

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, 1219 + ... + 1765.

2⁸¹⁶¹²⁴ is an apocalyptic number.

It is an amenable number.

816124 is a deficient number, since it is larger than the sum of its proper divisors (618540).

816124 is a wasteful number, since it uses less digits than its factorization.

816124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 922 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 816124 is about 903.3958157973. The cubic root of 816124 is about 93.4513077323.

The spelling of 816124 in words is "eight hundred sixteen thousand, one hundred twenty-four".