1224360 has 96 divisors (see below), whose sum is σ = 4212000. Its totient is φ = 307584.

The previous prime is 1224347. The next prime is 1224389. The reversal of 1224360 is 634221.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6751 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (43875).

2^1224360 is an apocalyptic number.

1224360 is a gapful number since it is divisible by the number (10) 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 1224360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2106000).

1224360 is an abundant number, since it is smaller than the sum of its proper divisors (2987640).

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

1224360 is a wasteful number, since it uses less digits than its factorization.

1224360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1224360 is about 1106.5080207572. The cubic root of 1224360 is about 106.9801110149.

Adding to 1224360 its reverse (634221), we get a palindrome (1858581).

The spelling of 1224360 in words is "one million, two hundred twenty-four thousand, three hundred sixty".