1201103201 has 2 divisors, whose sum is σ = 1201103202. Its totient is φ = 1201103200.

The previous prime is 1201103191. The next prime is 1201103203. The reversal of 1201103201 is 1023011021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 750814801 + 450288400 = 27401^2 + 21220^2 .

It is an emirp because it is prime and its reverse (1023011021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201103201 is a prime.

Together with 1201103203, 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 (1201103203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600551600 + 600551601.

It is an arithmetic number, because the mean of its divisors is an integer number (600551601).

Almost surely, 2^1201103201 is an apocalyptic number.

It is an amenable number.

1201103201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201103201 is an equidigital number, since it uses as much as digits as its factorization.

1201103201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1201103201 is about 34656.9358282004. The cubic root of 1201103201 is about 1062.9841155511.

Adding to 1201103201 its reverse (1023011021), we get a palindrome (2224114222).

The spelling of 1201103201 in words is "one billion, two hundred one million, one hundred three thousand, two hundred one".