1201164113 has 2 divisors, whose sum is σ = 1201164114. Its totient is φ = 1201164112.

The previous prime is 1201164103. The next prime is 1201164149. The reversal of 1201164113 is 3114611021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1113423424 + 87740689 = 33368^2 + 9367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201164113 - 2¹⁴ = 1201147729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201164103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600582056 + 600582057.

It is an arithmetic number, because the mean of its divisors is an integer number (600582057).

Almost surely, 2^1201164113 is an apocalyptic number.

It is an amenable number.

1201164113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201164113 is an equidigital number, since it uses as much as digits as its factorization.

1201164113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1201164113 is about 34657.8146021933. The cubic root of 1201164113 is about 1063.0020844189.

Adding to 1201164113 its reverse (3114611021), we get a palindrome (4315775134).

The spelling of 1201164113 in words is "one billion, two hundred one million, one hundred sixty-four thousand, one hundred thirteen".