1208320 has 52 divisors (see below), whose sum is σ = 2948760. Its totient is φ = 475136.

The previous prime is 1208303. The next prime is 1208341. The reversal of 1208320 is 238021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1208294 and 1208303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20451 + ... + 20509.

2^1208320 is an apocalyptic number.

1208320 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 1208320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474380).

1208320 is an abundant number, since it is smaller than the sum of its proper divisors (1740440).

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

1208320 is an frugal number, since it uses more digits than its factorization.

1208320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1208320 is about 1099.2360983883. The cubic root of 1208320 is about 106.5108837063.

Subtracting from 1208320 its reverse (238021), we obtain a cube (970299 = 99³).

The spelling of 1208320 in words is "one million, two hundred eight thousand, three hundred twenty".