1234240003 has 4 divisors (see below), whose sum is σ = 1234758168. Its totient is φ = 1233721840.

The previous prime is 1234239863. The next prime is 1234240009. The reversal of 1234240003 is 3000424321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3000424321 = 41 ⋅73181081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234240003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234240009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255493 + ... + 260278.

It is an arithmetic number, because the mean of its divisors is an integer number (308689542).

Almost surely, 2^1234240003 is an apocalyptic number.

1234240003 is a deficient number, since it is larger than the sum of its proper divisors (518165).

1234240003 is an equidigital number, since it uses as much as digits as its factorization.

1234240003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518164.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1234240003 is about 35131.7520627708. The cubic root of 1234240003 is about 1072.6709998061.

Adding to 1234240003 its reverse (3000424321), we get a palindrome (4234664324).

The spelling of 1234240003 in words is "one billion, two hundred thirty-four million, two hundred forty thousand, three".