1003240073 has 16 divisors (see below), whose sum is σ = 1134051840. Its totient is φ = 879254400.

The previous prime is 1003240037. The next prime is 1003240079. The reversal of 1003240073 is 3700423001.

It is a cyclic number.

It is not a de Polignac number, because 1003240073 - 2⁸ = 1003239817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003240079) 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, 86261 + ... + 97197.

It is an arithmetic number, because the mean of its divisors is an integer number (70878240).

Almost surely, 2^1003240073 is an apocalyptic number.

It is an amenable number.

1003240073 is a deficient number, since it is larger than the sum of its proper divisors (130811767).

1003240073 is a wasteful number, since it uses less digits than its factorization.

1003240073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 1003240073 is about 31673.9652238238. The cubic root of 1003240073 is about 1001.0788599759.

Adding to 1003240073 its reverse (3700423001), we get a palindrome (4703663074).

It can be divided in two parts, 10032 and 40073, that added together give a palindrome (50105).

The spelling of 1003240073 in words is "one billion, three million, two hundred forty thousand, seventy-three".