1322200121 has 4 divisors (see below), whose sum is σ = 1442400144. Its totient is φ = 1202000100.

The previous prime is 1322200097. The next prime is 1322200153. The reversal of 1322200121 is 1210022231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1322200121 - 2²² = 1318005817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1322200096 and 1322200105.

It is not an unprimeable number, because it can be changed into a prime (1322200181) 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 3 ways as a sum of consecutive naturals, for example, 60099995 + ... + 60100016.

It is an arithmetic number, because the mean of its divisors is an integer number (360600036).

Almost surely, 2^1322200121 is an apocalyptic number.

1322200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1322200121 is a deficient number, since it is larger than the sum of its proper divisors (120200023).

1322200121 is a wasteful number, since it uses less digits than its factorization.

1322200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120200022.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1322200121 is about 36362.0698118245. The cubic root of 1322200121 is about 1097.5704286627.

Adding to 1322200121 its reverse (1210022231), we get a palindrome (2532222352).

The spelling of 1322200121 in words is "one billion, three hundred twenty-two million, two hundred thousand, one hundred twenty-one".