1203320 has 32 divisors (see below), whose sum is σ = 2754000. Its totient is φ = 473088.

The previous prime is 1203287. The next prime is 1203329. The reversal of 1203320 is 233021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203329) 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, 2456 + ... + 2904.

2^1203320 is an apocalyptic number.

1203320 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 1203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377000).

1203320 is an abundant number, since it is smaller than the sum of its proper divisors (1550680).

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

1203320 is a wasteful number, since it uses less digits than its factorization.

1203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1203320 is about 1096.9594340722. The cubic root of 1203320 is about 106.3637674132.

Adding to 1203320 its reverse (233021), we get a palindrome (1436341).

Subtracting from 1203320 its reverse (233021), we obtain a cube (970299 = 99³).

The spelling of 1203320 in words is "one million, two hundred three thousand, three hundred twenty".