1201204533 has 8 divisors (see below), whose sum is σ = 1602004096. Its totient is φ = 800604000.

The previous prime is 1201204489. The next prime is 1201204553. The reversal of 1201204533 is 3354021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201204533 - 2¹³ = 1201196341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201204553) 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 7 ways as a sum of consecutive naturals, for example, 35053 + ... + 60258.

It is an arithmetic number, because the mean of its divisors is an integer number (200250512).

Almost surely, 2^1201204533 is an apocalyptic number.

It is an amenable number.

1201204533 is a deficient number, since it is larger than the sum of its proper divisors (400799563).

1201204533 is an equidigital number, since it uses as much as digits as its factorization.

1201204533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99515.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1201204533 is about 34658.3977269579. The cubic root of 1201204533 is about 1063.0140078693.

Adding to 1201204533 its reverse (3354021021), we get a palindrome (4555225554).

The spelling of 1201204533 in words is "one billion, two hundred one million, two hundred four thousand, five hundred thirty-three".