1421433 has 12 divisors (see below), whose sum is σ = 2211300. Its totient is φ = 874656.

The previous prime is 1421417. The next prime is 1421437. The reversal of 1421433 is 3341241.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 522729 = 948^2 + 723^2 .

It is not a de Polignac number, because 1421433 - 2⁴ = 1421417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5958 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (184275).

2^1421433 is an apocalyptic number.

1421433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1421433 is a deficient number, since it is larger than the sum of its proper divisors (789867).

1421433 is a wasteful number, since it uses less digits than its factorization.

1421433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168 (or 12165 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1421433 is about 1192.2386506065. The cubic root of 1421433 is about 112.4368831141.

Adding to 1421433 its reverse (3341241), we get a palindrome (4762674).

The spelling of 1421433 in words is "one million, four hundred twenty-one thousand, four hundred thirty-three".