1121244300 has 216 divisors, whose sum is σ = 3938883312. Its totient is φ = 264384000.

The previous prime is 1121244281. The next prime is 1121244317. The reversal of 1121244300 is 34421211.

1121244300 is a `hidden beast` number, since 1 + 121 + 244 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 71 ways as a sum of consecutive naturals, for example, 364770 + ... + 367830.

Almost surely, 2^1121244300 is an apocalyptic number.

1121244300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121244300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969441656).

1121244300 is an abundant number, since it is smaller than the sum of its proper divisors (2817639012).

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

1121244300 is a wasteful number, since it uses less digits than its factorization.

1121244300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1121244300 is about 33484.9861878425. The cubic root of 1121244300 is about 1038.8832625841.

Adding to 1121244300 its reverse (34421211), we get a palindrome (1155665511).

Subtracting from 1121244300 its reverse (34421211), we obtain a square (1086823089 = 32967²).

The spelling of 1121244300 in words is "one billion, one hundred twenty-one million, two hundred forty-four thousand, three hundred".