1200440201 has 2 divisors, whose sum is σ = 1200440202. Its totient is φ = 1200440200.

The previous prime is 1200440191. The next prime is 1200440203. The reversal of 1200440201 is 1020440021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 941262400 + 259177801 = 30680^2 + 16099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200440201 is a prime.

Together with 1200440203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1200440203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600220100 + 600220101.

It is an arithmetic number, because the mean of its divisors is an integer number (600220101).

Almost surely, 2^1200440201 is an apocalyptic number.

It is an amenable number.

1200440201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200440201 is an equidigital number, since it uses as much as digits as its factorization.

1200440201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1200440201 is about 34647.3693229371. The cubic root of 1200440201 is about 1062.7884931206.

Adding to 1200440201 its reverse (1020440021), we get a palindrome (2220880222).

The spelling of 1200440201 in words is "one billion, two hundred million, four hundred forty thousand, two hundred one".