1200053533 has 16 divisors (see below), whose sum is σ = 1380766464. Its totient is φ = 1021685760.

The previous prime is 1200053531. The next prime is 1200053567. The reversal of 1200053533 is 3353500021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1200053533 - 2¹ = 1200053531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200053531) 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 in 15 ways as a sum of consecutive naturals, for example, 828616 + ... + 830062.

It is an arithmetic number, because the mean of its divisors is an integer number (86297904).

Almost surely, 2^1200053533 is an apocalyptic number.

It is an amenable number.

1200053533 is a deficient number, since it is larger than the sum of its proper divisors (180712931).

1200053533 is a wasteful number, since it uses less digits than its factorization.

1200053533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 1200053533 is about 34641.7888250593. The cubic root of 1200053533 is about 1062.6743709757.

Adding to 1200053533 its reverse (3353500021), we get a palindrome (4553553554).

The spelling of 1200053533 in words is "one billion, two hundred million, fifty-three thousand, five hundred thirty-three".