1440211 has 2 divisors, whose sum is σ = 1440212. Its totient is φ = 1440210.

The previous prime is 1440209. The next prime is 1440233. The reversal of 1440211 is 1120441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440211 - 2¹ = 1440209 is a prime.

Together with 1440209, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1440191 and 1440200.

It is not a weakly prime, because it can be changed into another prime (1440011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720105 + 720106.

It is an arithmetic number, because the mean of its divisors is an integer number (720106).

2^1440211 is an apocalyptic number.

1440211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440211 is an equidigital number, since it uses as much as digits as its factorization.

1440211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1440211 is about 1200.0879134463. The cubic root of 1440211 is about 112.9298387131.

Adding to 1440211 its reverse (1120441), we get a palindrome (2560652).

The spelling of 1440211 in words is "one million, four hundred forty thousand, two hundred eleven".