1200330253 has 2 divisors, whose sum is σ = 1200330254. Its totient is φ = 1200330252.

The previous prime is 1200330221. The next prime is 1200330311. The reversal of 1200330253 is 3520330021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 783272169 + 417058084 = 27987^2 + 20422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200330253 - 2⁵ = 1200330221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200330253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200330353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600165126 + 600165127.

It is an arithmetic number, because the mean of its divisors is an integer number (600165127).

Almost surely, 2^1200330253 is an apocalyptic number.

It is an amenable number.

1200330253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200330253 is an equidigital number, since it uses as much as digits as its factorization.

1200330253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 1200330253 is about 34645.7826149158. The cubic root of 1200330253 is about 1062.7560452911.

Adding to 1200330253 its reverse (3520330021), we get a palindrome (4720660274).

The spelling of 1200330253 in words is "one billion, two hundred million, three hundred thirty thousand, two hundred fifty-three".