1203012320 has 48 divisors (see below), whose sum is σ = 2845750320. Its totient is φ = 480589824.

The previous prime is 1203012311. The next prime is 1203012323. The reversal of 1203012320 is 232103021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1203012295 and 1203012304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203012323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133064 + ... + 141816.

It is an arithmetic number, because the mean of its divisors is an integer number (59286465).

Almost surely, 2^1203012320 is an apocalyptic number.

1203012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203012320 is an abundant number, since it is smaller than the sum of its proper divisors (1642738000).

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

1203012320 is an equidigital number, since it uses as much as digits as its factorization.

1203012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627 (or 9619 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1203012320 is about 34684.4679936135. The cubic root of 1203012320 is about 1063.5470116490.

Adding to 1203012320 its reverse (232103021), we get a palindrome (1435115341).

The spelling of 1203012320 in words is "one billion, two hundred three million, twelve thousand, three hundred twenty".