1323201122 has 4 divisors (see below), whose sum is σ = 1984801686. Its totient is φ = 661600560.

The previous prime is 1323201119. The next prime is 1323201133. The reversal of 1323201122 is 2211023231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1314135001 + 9066121 = 36251^2 + 3011^2 .

It is a super-2 number, since 2×1323201122² = 3501722418524117768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1323201122.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 330800279 + ... + 330800282.

Almost surely, 2^1323201122 is an apocalyptic number.

1323201122 is a deficient number, since it is larger than the sum of its proper divisors (661600564).

1323201122 is an equidigital number, since it uses as much as digits as its factorization.

1323201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661600563.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1323201122 is about 36375.8315643780. The cubic root of 1323201122 is about 1097.8473388264.

Adding to 1323201122 its reverse (2211023231), we get a palindrome (3534224353).

The spelling of 1323201122 in words is "one billion, three hundred twenty-three million, two hundred one thousand, one hundred twenty-two".