1223133201 has 6 divisors (see below), whose sum is σ = 1766747970. Its totient is φ = 815422128.

The previous prime is 1223133193. The next prime is 1223133253. The reversal of 1223133201 is 1023313221.

It can be written as a sum of positive squares in only one way, i.e., 1212084225 + 11048976 = 34815^2 + 3324^2 .

It is not a de Polignac number, because 1223133201 - 2³ = 1223133193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223133281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67951836 + ... + 67951853.

It is an arithmetic number, because the mean of its divisors is an integer number (294457995).

Almost surely, 2^1223133201 is an apocalyptic number.

It is an amenable number.

1223133201 is a deficient number, since it is larger than the sum of its proper divisors (543614769).

1223133201 is a wasteful number, since it uses less digits than its factorization.

1223133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135903695 (or 135903692 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1223133201 is about 34973.3212749376. The cubic root of 1223133201 is about 1069.4436800021.

Adding to 1223133201 its reverse (1023313221), we get a palindrome (2246446422).

The spelling of 1223133201 in words is "one billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred one".