1200421433 has 8 divisors (see below), whose sum is σ = 1223608896. Its totient is φ = 1177254000.

The previous prime is 1200421423. The next prime is 1200421441. The reversal of 1200421433 is 3341240021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200421433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200421423) 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, 182858 + ... + 189308.

It is an arithmetic number, because the mean of its divisors is an integer number (152951112).

Almost surely, 2^1200421433 is an apocalyptic number.

It is an amenable number.

1200421433 is a deficient number, since it is larger than the sum of its proper divisors (23187463).

1200421433 is an equidigital number, since it uses as much as digits as its factorization.

1200421433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1200421433 is about 34647.0984788048. The cubic root of 1200421433 is about 1062.7829544528.

Adding to 1200421433 its reverse (3341240021), we get a palindrome (4541661454).

The spelling of 1200421433 in words is "one billion, two hundred million, four hundred twenty-one thousand, four hundred thirty-three".