1121201300 has 18 divisors (see below), whose sum is σ = 2433007038. Its totient is φ = 448480480.

The previous prime is 1121201299. The next prime is 1121201311. The reversal of 1121201300 is 31021211.

It can be written as a sum of positive squares in 3 ways, for example, as 372412804 + 748788496 = 19298^2 + 27364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5605907 + ... + 5606106.

Almost surely, 2^1121201300 is an apocalyptic number.

1121201300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121201300 is an abundant number, since it is smaller than the sum of its proper divisors (1311805738).

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

1121201300 is a wasteful number, since it uses less digits than its factorization.

1121201300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212027 (or 11212020 counting only the distinct ones).

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

The square root of 1121201300 is about 33484.3441028789. The cubic root of 1121201300 is about 1038.8699819365.

Adding to 1121201300 its reverse (31021211), we get a palindrome (1152222511).

The spelling of 1121201300 in words is "one billion, one hundred twenty-one million, two hundred one thousand, three hundred".