1440120003 has 16 divisors (see below), whose sum is σ = 2195905536. Its totient is φ = 822386880.

The previous prime is 1440120001. The next prime is 1440120037. The reversal of 1440120003 is 3000210441.

It is not a de Polignac number, because 1440120003 - 2¹ = 1440120001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440120001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11583 + ... + 54903.

It is an arithmetic number, because the mean of its divisors is an integer number (137244096).

Almost surely, 2^1440120003 is an apocalyptic number.

1440120003 is a deficient number, since it is larger than the sum of its proper divisors (755785533).

1440120003 is a wasteful number, since it uses less digits than its factorization.

1440120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44914.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1440120003 is about 37948.9130674384. The cubic root of 1440120003 is about 1129.2746024377.

Adding to 1440120003 its reverse (3000210441), we get a palindrome (4440330444).

The spelling of 1440120003 in words is "one billion, four hundred forty million, one hundred twenty thousand, three".