1121606200 has 96 divisors (see below), whose sum is σ = 3063710160. Its totient is φ = 376473600.

The previous prime is 1121606191. The next prime is 1121606221. The reversal of 1121606200 is 26061211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8992 + ... + 48208.

Almost surely, 2^1121606200 is an apocalyptic number.

1121606200 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 1121606200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531855080).

1121606200 is an abundant number, since it is smaller than the sum of its proper divisors (1942103960).

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

1121606200 is a wasteful number, since it uses less digits than its factorization.

1121606200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39257 (or 39248 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1121606200 is about 33490.3896662908. The cubic root of 1121606200 is about 1038.9950227687.

Adding to 1121606200 its reverse (26061211), we get a palindrome (1147667411).

The spelling of 1121606200 in words is "one billion, one hundred twenty-one million, six hundred six thousand, two hundred".