1122453200 has 120 divisors (see below), whose sum is σ = 2984112576. Its totient is φ = 402304000.

The previous prime is 1122453197. The next prime is 1122453221. The reversal of 1122453200 is 23542211.

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

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, 310604 + ... + 314196.

Almost surely, 2^1122453200 is an apocalyptic number.

1122453200 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 1122453200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492056288).

1122453200 is an abundant number, since it is smaller than the sum of its proper divisors (1861659376).

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

1122453200 is a wasteful number, since it uses less digits than its factorization.

1122453200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693 (or 3682 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1122453200 is about 33503.0326985484. The cubic root of 1122453200 is about 1039.2564952160.

Adding to 1122453200 its reverse (23542211), we get a palindrome (1145995411).

The spelling of 1122453200 in words is "one billion, one hundred twenty-two million, four hundred fifty-three thousand, two hundred".