1200500453 has 2 divisors, whose sum is σ = 1200500454. Its totient is φ = 1200500452.

The previous prime is 1200500437. The next prime is 1200500471. The reversal of 1200500453 is 3540050021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1187698369 + 12802084 = 34463^2 + 3578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200500453 - 2⁴ = 1200500437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200500753) 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, 600250226 + 600250227.

It is an arithmetic number, because the mean of its divisors is an integer number (600250227).

Almost surely, 2^1200500453 is an apocalyptic number.

It is an amenable number.

1200500453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200500453 is an equidigital number, since it uses as much as digits as its factorization.

1200500453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1200500453 is about 34648.2388152703. The cubic root of 1200500453 is about 1062.8062738372.

Adding to 1200500453 its reverse (3540050021), we get a palindrome (4740550474).

The spelling of 1200500453 in words is "one billion, two hundred million, five hundred thousand, four hundred fifty-three".