1200311053 has 2 divisors, whose sum is σ = 1200311054. Its totient is φ = 1200311052.

The previous prime is 1200311033. The next prime is 1200311059. The reversal of 1200311053 is 3501130021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1049954409 + 150356644 = 32403^2 + 12262^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200311053 - 2²⁵ = 1166756621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200311059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600155526 + 600155527.

It is an arithmetic number, because the mean of its divisors is an integer number (600155527).

Almost surely, 2^1200311053 is an apocalyptic number.

It is an amenable number.

1200311053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200311053 is an equidigital number, since it uses as much as digits as its factorization.

1200311053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1200311053 is about 34645.5055238050. The cubic root of 1200311053 is about 1062.7503787881.

Adding to 1200311053 its reverse (3501130021), we get a palindrome (4701441074).

The spelling of 1200311053 in words is "one billion, two hundred million, three hundred eleven thousand, fifty-three".