1432021 has 2 divisors, whose sum is σ = 1432022. Its totient is φ = 1432020.

The previous prime is 1432019. The next prime is 1432031. The reversal of 1432021 is 1202341.

1432021 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1347921 + 84100 = 1161^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1432021 - 2¹ = 1432019 is a prime.

Together with 1432019, it forms a pair of twin primes.

It is a Chen prime.

1432021 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1431992 and 1432010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1432001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716010 + 716011.

It is an arithmetic number, because the mean of its divisors is an integer number (716011).

2^1432021 is an apocalyptic number.

It is an amenable number.

1432021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432021 is an equidigital number, since it uses as much as digits as its factorization.

1432021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1432021 is about 1196.6707985073. The cubic root of 1432021 is about 112.7153668684.

Adding to 1432021 its reverse (1202341), we get a palindrome (2634362).

It can be divided in two parts, 14320 and 21, that added together give a palindrome (14341).

The spelling of 1432021 in words is "one million, four hundred thirty-two thousand, twenty-one".