1440103 has 8 divisors (see below), whose sum is σ = 1653120. Its totient is φ = 1228920.

The previous prime is 1440079. The next prime is 1440107. The reversal of 1440103 is 3010441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1440103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (206640).

2^1440103 is an apocalyptic number.

1440103 is a deficient number, since it is larger than the sum of its proper divisors (213017).

1440103 is an equidigital number, since it uses as much as digits as its factorization.

1440103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917.

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

The square root of 1440103 is about 1200.0429158993. The cubic root of 1440103 is about 112.9270158102.

Adding to 1440103 its reverse (3010441), we get a palindrome (4450544).

The spelling of 1440103 in words is "one million, four hundred forty thousand, one hundred three".