6121224 has 64 divisors (see below), whose sum is σ = 18014400. Its totient is φ = 1919232.

The previous prime is 6121223. The next prime is 6121231. The reversal of 6121224 is 4221216.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6121197 and 6121206.

It is not an unprimeable number, because it can be changed into a prime (6121223) 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 15 ways as a sum of consecutive naturals, for example, 2839 + ... + 4505.

It is an arithmetic number, because the mean of its divisors is an integer number (281475).

Almost surely, 2^6121224 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 6121224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9007200).

6121224 is an abundant number, since it is smaller than the sum of its proper divisors (11893176).

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

6121224 is a wasteful number, since it uses less digits than its factorization.

6121224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1689 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 6121224 is about 2474.1107493401. The cubic root of 6121224 is about 182.9276790282.

The spelling of 6121224 in words is "six million, one hundred twenty-one thousand, two hundred twenty-four".