1440063 has 12 divisors (see below), whose sum is σ = 2120040. Its totient is φ = 941616.

The previous prime is 1440037. The next prime is 1440079. The reversal of 1440063 is 3600441.

It is not a de Polignac number, because 1440063 - 2¹⁸ = 1177919 is a prime.

1440063 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1033 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (176670).

2^1440063 is an apocalyptic number.

1440063 is a deficient number, since it is larger than the sum of its proper divisors (679977).

1440063 is a wasteful number, since it uses less digits than its factorization.

1440063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078 (or 3075 counting only the distinct ones).

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

The square root of 1440063 is about 1200.0262497129. The cubic root of 1440063 is about 112.9259702548.

The spelling of 1440063 in words is "one million, four hundred forty thousand, sixty-three".