1131230200 has 48 divisors (see below), whose sum is σ = 2634686280. Its totient is φ = 451704960.

The previous prime is 1131230179. The next prime is 1131230203. The reversal of 1131230200 is 20321311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131230203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117987 + ... + 127213.

Almost surely, 2^1131230200 is an apocalyptic number.

1131230200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131230200 is an abundant number, since it is smaller than the sum of its proper divisors (1503456080).

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

1131230200 is a wasteful number, since it uses less digits than its factorization.

1131230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856 (or 9847 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1131230200 is about 33633.7657719144. The cubic root of 1131230200 is about 1041.9582802399.

Adding to 1131230200 its reverse (20321311), we get a palindrome (1151551511).

The spelling of 1131230200 in words is "one billion, one hundred thirty-one million, two hundred thirty thousand, two hundred".