1201032221 has 8 divisors (see below), whose sum is σ = 1213580160. Its totient is φ = 1188501552.

The previous prime is 1201032211. The next prime is 1201032227. The reversal of 1201032221 is 1222301021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1201032221 - 2¹⁰ = 1201031197 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 = 1201032196 and 1201032205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201032227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172616 + ... + 179438.

It is an arithmetic number, because the mean of its divisors is an integer number (151697520).

Almost surely, 2^1201032221 is an apocalyptic number.

It is an amenable number.

1201032221 is a deficient number, since it is larger than the sum of its proper divisors (12547939).

1201032221 is a wasteful number, since it uses less digits than its factorization.

1201032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8635.

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

The square root of 1201032221 is about 34655.9117756264. The cubic root of 1201032221 is about 1062.9631758853.

Adding to 1201032221 its reverse (1222301021), we get a palindrome (2423333242).

The spelling of 1201032221 in words is "one billion, two hundred one million, thirty-two thousand, two hundred twenty-one".