1203328 has 64 divisors (see below), whose sum is σ = 2937600. Its totient is φ = 479232.

The previous prime is 1203287. The next prime is 1203329. The reversal of 1203328 is 8233021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1203329) 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 7 ways as a sum of consecutive naturals, for example, 15193 + ... + 15271.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2^1203328 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 1203328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468800).

1203328 is an abundant number, since it is smaller than the sum of its proper divisors (1734272).

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

1203328 is an equidigital number, since it uses as much as digits as its factorization.

1203328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1203328 is about 1096.9630805091. The cubic root of 1203328 is about 106.3640031244.

Adding to 1203328 its reverse (8233021), we get a palindrome (9436349).

The spelling of 1203328 in words is "one million, two hundred three thousand, three hundred twenty-eight".