1122525200 has 60 divisors (see below), whose sum is σ = 2729439888. Its totient is φ = 443587200.

The previous prime is 1122525193. The next prime is 1122525251. The reversal of 1122525200 is 25252211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16295 + ... + 50105.

Almost surely, 2^1122525200 is an apocalyptic number.

1122525200 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 1122525200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364719944).

1122525200 is an abundant number, since it is smaller than the sum of its proper divisors (1606914688).

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

1122525200 is a wasteful number, since it uses less digits than its factorization.

1122525200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33912 (or 33901 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1122525200 is about 33504.1072109077. The cubic root of 1122525200 is about 1039.2787158508.

Adding to 1122525200 its reverse (25252211), we get a palindrome (1147777411).

The spelling of 1122525200 in words is "one billion, one hundred twenty-two million, five hundred twenty-five thousand, two hundred".