1421204133 has 8 divisors (see below), whose sum is σ = 1914474688. Its totient is φ = 937701504.

The previous prime is 1421204117. The next prime is 1421204143. The reversal of 1421204133 is 3314021241.

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

It is not a de Polignac number, because 1421204133 - 2⁴ = 1421204117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421204143) 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, 2441641 + ... + 2442222.

It is an arithmetic number, because the mean of its divisors is an integer number (239309336).

Almost surely, 2^1421204133 is an apocalyptic number.

It is an amenable number.

1421204133 is a deficient number, since it is larger than the sum of its proper divisors (493270555).

1421204133 is an equidigital number, since it uses as much as digits as its factorization.

1421204133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883963.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1421204133 is about 37698.8611631704. The cubic root of 1421204133 is about 1124.3084824803.

Adding to 1421204133 its reverse (3314021241), we get a palindrome (4735225374).

The spelling of 1421204133 in words is "one billion, four hundred twenty-one million, two hundred four thousand, one hundred thirty-three".