809168124 has 24 divisors (see below), whose sum is σ = 1987431040. Its totient is φ = 255526704.

The previous prime is 809168123. The next prime is 809168131. The reversal of 809168124 is 421861908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809168123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774264 + ... + 1774719.

Almost surely, 2^809168124 is an apocalyptic number.

It is an amenable number.

809168124 is an abundant number, since it is smaller than the sum of its proper divisors (1178262916).

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

809168124 is a wasteful number, since it uses less digits than its factorization.

809168124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549009 (or 3549007 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 809168124 is about 28445.8806156533. The cubic root of 809168124 is about 931.8505273993.

The spelling of 809168124 in words is "eight hundred nine million, one hundred sixty-eight thousand, one hundred twenty-four".