1223055201 has 8 divisors (see below), whose sum is σ = 1635284160. Its totient is φ = 813098192.

The previous prime is 1223055187. The next prime is 1223055227. The reversal of 1223055201 is 1025503221.

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 1223055201 - 2²¹ = 1220958049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223055901) 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, 566730 + ... + 568883.

It is an arithmetic number, because the mean of its divisors is an integer number (204410520).

Almost surely, 2^1223055201 is an apocalyptic number.

It is an amenable number.

1223055201 is a deficient number, since it is larger than the sum of its proper divisors (412228959).

1223055201 is a wasteful number, since it uses less digits than its factorization.

1223055201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135975.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1223055201 is about 34972.2061214331. The cubic root of 1223055201 is about 1069.4209464790.

Adding to 1223055201 its reverse (1025503221), we get a palindrome (2248558422).

The spelling of 1223055201 in words is "one billion, two hundred twenty-three million, fifty-five thousand, two hundred one".