84812124 has 96 divisors (see below), whose sum is σ = 219340800. Its totient is φ = 25401600.

The previous prime is 84812107. The next prime is 84812129. The reversal of 84812124 is 42121848.

It is a junction number, because it is equal to n+sod(n) for n = 84812091 and 84812100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84812129) 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 in 31 ways as a sum of consecutive naturals, for example, 667749 + ... + 667875.

It is an arithmetic number, because the mean of its divisors is an integer number (2284800).

Almost surely, 2^84812124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84812124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109670400).

84812124 is an abundant number, since it is smaller than the sum of its proper divisors (134528676).

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

84812124 is a wasteful number, since it uses less digits than its factorization.

84812124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 281 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 84812124 is about 9209.3498141834. The cubic root of 84812124 is about 439.3587836338.

The spelling of 84812124 in words is "eighty-four million, eight hundred twelve thousand, one hundred twenty-four".