1123188196 has 27 divisors (see below), whose sum is σ = 2130060891. Its totient is φ = 517992384.

The previous prime is 1123188193. The next prime is 1123188217. The reversal of 1123188196 is 6918813211.

It is a happy number.

The square root of 1123188196 is 33514.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3348900 + 1119839296 = 1830^2 + 33464^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123188193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 870720 + ... + 872008.

Almost surely, 2^1123188196 is an apocalyptic number.

1123188196 is the 33514-th square number.

It is an amenable number.

1123188196 is a deficient number, since it is larger than the sum of its proper divisors (1006872695).

1123188196 is an equidigital number, since it uses as much as digits as its factorization.

1123188196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608 (or 1304 counting only the distinct ones).

The product of its digits is 20736, while the sum is 40.

The cubic root of 1123188196 is about 1039.4832849838.

Multiplying 1123188196 by its product of digits (20736), we get a square (23290430432256 = 4826016²).

The spelling of 1123188196 in words is "one billion, one hundred twenty-three million, one hundred eighty-eight thousand, one hundred ninety-six".