1223025201 has 6 divisors (see below), whose sum is σ = 1766591970. Its totient is φ = 815350128.

The previous prime is 1223025187. The next prime is 1223025229. The reversal of 1223025201 is 1025203221.

It can be written as a sum of positive squares in only one way, i.e., 1069290000 + 153735201 = 32700^2 + 12399^2 .

It is not a de Polignac number, because 1223025201 - 2⁷ = 1223025073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1223025281) 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, 67945836 + ... + 67945853.

It is an arithmetic number, because the mean of its divisors is an integer number (294431995).

Almost surely, 2^1223025201 is an apocalyptic number.

It is an amenable number.

1223025201 is a deficient number, since it is larger than the sum of its proper divisors (543566769).

1223025201 is a wasteful number, since it uses less digits than its factorization.

1223025201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135891695 (or 135891692 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1223025201 is about 34971.7772067706. Note that the first 3 decimals coincide. The cubic root of 1223025201 is about 1069.4122025590.

Adding to 1223025201 its reverse (1025203221), we get a palindrome (2248228422).

The spelling of 1223025201 in words is "one billion, two hundred twenty-three million, twenty-five thousand, two hundred one".