1223001201 has 4 divisors (see below), whose sum is σ = 1630668272. Its totient is φ = 815334132.

The previous prime is 1223001187. The next prime is 1223001217. The reversal of 1223001201 is 1021003221.

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 not a de Polignac number, because 1223001201 - 2¹¹ = 1222999153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223001281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203833531 + ... + 203833536.

It is an arithmetic number, because the mean of its divisors is an integer number (407667068).

Almost surely, 2^1223001201 is an apocalyptic number.

It is an amenable number.

1223001201 is a deficient number, since it is larger than the sum of its proper divisors (407667071).

1223001201 is an equidigital number, since it uses as much as digits as its factorization.

1223001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407667070.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1223001201 is about 34971.4340712531. The cubic root of 1223001201 is about 1069.4052073200.

Adding to 1223001201 its reverse (1021003221), we get a palindrome (2244004422).

The spelling of 1223001201 in words is "one billion, two hundred twenty-three million, one thousand, two hundred one".