1201322201 has 8 divisors (see below), whose sum is σ = 1218888000. Its totient is φ = 1183774480.

The previous prime is 1201322197. The next prime is 1201322203. The reversal of 1201322201 is 1022231021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201322201 - 2² = 1201322197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201322203) 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 7 ways as a sum of consecutive naturals, for example, 188495 + ... + 194763.

It is an arithmetic number, because the mean of its divisors is an integer number (152361000).

Almost surely, 2^1201322201 is an apocalyptic number.

It is an amenable number.

1201322201 is a deficient number, since it is larger than the sum of its proper divisors (17565799).

1201322201 is an equidigital number, since it uses as much as digits as its factorization.

1201322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039.

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

The square root of 1201322201 is about 34660.0952249125. The cubic root of 1201322201 is about 1063.0487170979.

Adding to 1201322201 its reverse (1022231021), we get a palindrome (2223553222).

The spelling of 1201322201 in words is "one billion, two hundred one million, three hundred twenty-two thousand, two hundred one".