1123331200 has 48 divisors (see below), whose sum is σ = 2774987010. Its totient is φ = 449331200.

The previous prime is 1123331197. The next prime is 1123331207. The reversal of 1123331200 is 21333211.

It can be written as a sum of positive squares in 3 ways, for example, as 993006144 + 130325056 = 31512^2 + 11416^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1123331207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172321 + ... + 178720.

Almost surely, 2^1123331200 is an apocalyptic number.

1123331200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123331200 is an abundant number, since it is smaller than the sum of its proper divisors (1651655810).

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

1123331200 is an equidigital number, since it uses as much as digits as its factorization.

1123331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351065 (or 351048 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1123331200 is about 33516.1334285445. The cubic root of 1123331200 is about 1039.5273986832.

Adding to 1123331200 its reverse (21333211), we get a palindrome (1144664411).

The spelling of 1123331200 in words is "one billion, one hundred twenty-three million, three hundred thirty-one thousand, two hundred".