1243360 has 48 divisors (see below), whose sum is σ = 3099600. Its totient is φ = 470016.

The previous prime is 1243349. The next prime is 1243367. The reversal of 1243360 is 633421.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2836 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (64575).

2^1243360 is an apocalyptic number.

1243360 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 1243360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549800).

1243360 is an abundant number, since it is smaller than the sum of its proper divisors (1856240).

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

1243360 is a wasteful number, since it uses less digits than its factorization.

1243360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1243360 is about 1115.0605364732. The cubic root of 1243360 is about 107.5306564811.

Adding to 1243360 its reverse (633421), we get a palindrome (1876781).

The spelling of 1243360 in words is "one million, two hundred forty-three thousand, three hundred sixty".