1121313300 has 36 divisors (see below), whose sum is σ = 3244334016. Its totient is φ = 299016800.

The previous prime is 1121313283. The next prime is 1121313331. The reversal of 1121313300 is 33131211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1121313300.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1868556 + ... + 1869155.

Almost surely, 2^1121313300 is an apocalyptic number.

1121313300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121313300 is an abundant number, since it is smaller than the sum of its proper divisors (2123020716).

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

1121313300 is a wasteful number, since it uses less digits than its factorization.

1121313300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737728 (or 3737721 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1121313300 is about 33486.0164844969. The cubic root of 1121313300 is about 1038.9045726812.

Adding to 1121313300 its reverse (33131211), we get a palindrome (1154444511).

The spelling of 1121313300 in words is "one billion, one hundred twenty-one million, three hundred thirteen thousand, three hundred".