1201224313 has 2 divisors, whose sum is σ = 1201224314. Its totient is φ = 1201224312.

The previous prime is 1201224259. The next prime is 1201224319. The reversal of 1201224313 is 3134221021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113089769 + 88134544 = 33363^2 + 9388^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201224313 - 2¹⁷ = 1201093241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201224319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600612156 + 600612157.

It is an arithmetic number, because the mean of its divisors is an integer number (600612157).

Almost surely, 2^1201224313 is an apocalyptic number.

It is an amenable number.

1201224313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201224313 is an equidigital number, since it uses as much as digits as its factorization.

1201224313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1201224313 is about 34658.6830823100. The cubic root of 1201224313 is about 1063.0198426518.

Adding to 1201224313 its reverse (3134221021), we get a palindrome (4335445334).

The spelling of 1201224313 in words is "one billion, two hundred one million, two hundred twenty-four thousand, three hundred thirteen".