1421333 has 8 divisors (see below), whose sum is σ = 1507200. Its totient is φ = 1336608.

The previous prime is 1421317. The next prime is 1421339. The reversal of 1421333 is 3331241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1421333 - 2⁴ = 1421317 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 (1421339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4385 + ... + 4697.

It is an arithmetic number, because the mean of its divisors is an integer number (188400).

2^1421333 is an apocalyptic number.

It is an amenable number.

1421333 is a deficient number, since it is larger than the sum of its proper divisors (85867).

1421333 is a wasteful number, since it uses less digits than its factorization.

1421333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its digits is 216, while the sum is 17.

The square root of 1421333 is about 1192.1967119565. The cubic root of 1421333 is about 112.4342463497.

Adding to 1421333 its reverse (3331241), we get a palindrome (4752574).

The spelling of 1421333 in words is "one million, four hundred twenty-one thousand, three hundred thirty-three".