1121130200 has 48 divisors (see below), whose sum is σ = 2655834480. Its totient is φ = 439986560.

The previous prime is 1121130191. The next prime is 1121130209. The reversal of 1121130200 is 20311211.

It is an interprime number because it is at equal distance from previous prime (1121130191) and next prime (1121130209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121130209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42284 + ... + 63483.

It is an arithmetic number, because the mean of its divisors is an integer number (55329885).

Almost surely, 2^1121130200 is an apocalyptic number.

1121130200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121130200 is an abundant number, since it is smaller than the sum of its proper divisors (1534704280).

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

1121130200 is a wasteful number, since it uses less digits than its factorization.

1121130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105836 (or 105827 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1121130200 is about 33483.2823958464. The cubic root of 1121130200 is about 1038.8480217952.

Adding to 1121130200 its reverse (20311211), we get a palindrome (1141441411).

The spelling of 1121130200 in words is "one billion, one hundred twenty-one million, one hundred thirty thousand, two hundred".