1224192 has 40 divisors (see below), whose sum is σ = 3265416. Its totient is φ = 407552.

The previous prime is 1224169. The next prime is 1224193. The reversal of 1224192 is 2914221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138 + ... + 1934.

2^1224192 is an apocalyptic number.

1224192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632708).

1224192 is an abundant number, since it is smaller than the sum of its proper divisors (2041224).

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

1224192 is an frugal number, since it uses more digits than its factorization.

1224192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 802 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 1224192 is about 1106.4321036557. The cubic root of 1224192 is about 106.9752177154.

The spelling of 1224192 in words is "one million, two hundred twenty-four thousand, one hundred ninety-two".