1440212 has 6 divisors (see below), whose sum is σ = 2520378. Its totient is φ = 720104.

The previous prime is 1440211. The next prime is 1440233. The reversal of 1440212 is 2120441.

It can be written as a sum of positive squares in only one way, i.e., 1359556 + 80656 = 1166^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440211) 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, 180023 + ... + 180030.

It is an arithmetic number, because the mean of its divisors is an integer number (420063).

2^1440212 is an apocalyptic number.

It is an amenable number.

1440212 is a deficient number, since it is larger than the sum of its proper divisors (1080166).

1440212 is a wasteful number, since it uses less digits than its factorization.

1440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360057 (or 360055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1440212 is about 1200.0883300824. The cubic root of 1440212 is about 112.9298648504.

Adding to 1440212 its reverse (2120441), we get a palindrome (3560653).

The spelling of 1440212 in words is "one million, four hundred forty thousand, two hundred twelve".