1203201120 has 192 divisors, whose sum is σ = 4160782080. Its totient is φ = 289843200.

The previous prime is 1203201107. The next prime is 1203201121. The reversal of 1203201120 is 211023021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1203201096 and 1203201105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203201121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 955051 + ... + 956309.

It is an arithmetic number, because the mean of its divisors is an integer number (21670740).

Almost surely, 2^1203201120 is an apocalyptic number.

1203201120 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 1203201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080391040).

1203201120 is an abundant number, since it is smaller than the sum of its proper divisors (2957580960).

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

1203201120 is a wasteful number, since it uses less digits than its factorization.

1203201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1203201120 is about 34687.1895661785. The cubic root of 1203201120 is about 1063.6026462060.

Adding to 1203201120 its reverse (211023021), we get a palindrome (1414224141).

The spelling of 1203201120 in words is "one billion, two hundred three million, two hundred one thousand, one hundred twenty".