1121020300 has 18 divisors (see below), whose sum is σ = 2432614268. Its totient is φ = 448408080.

The previous prime is 1121020297. The next prime is 1121020321. The reversal of 1121020300 is 30201211.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 5 ways as a sum of consecutive naturals, for example, 5605002 + ... + 5605201.

Almost surely, 2^1121020300 is an apocalyptic number.

1121020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121020300 is an abundant number, since it is smaller than the sum of its proper divisors (1311593968).

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

1121020300 is a wasteful number, since it uses less digits than its factorization.

1121020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11210217 (or 11210210 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1121020300 is about 33481.6412381472. The cubic root of 1121020300 is about 1038.8140759524.

Adding to 1121020300 its reverse (30201211), we get a palindrome (1151221511).

The spelling of 1121020300 in words is "one billion, one hundred twenty-one million, twenty thousand, three hundred".