1240713003 has 24 divisors (see below), whose sum is σ = 1749915648. Its totient is φ = 781553248.

The previous prime is 1240712999. The next prime is 1240713007. The reversal of 1240713003 is 3003170421.

It is an interprime number because it is at equal distance from previous prime (1240712999) and next prime (1240713007).

It is not a de Polignac number, because 1240713003 - 2² = 1240712999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240713007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113350 + ... + 123812.

It is an arithmetic number, because the mean of its divisors is an integer number (72913152).

Almost surely, 2^1240713003 is an apocalyptic number.

1240713003 is a deficient number, since it is larger than the sum of its proper divisors (509202645).

1240713003 is a wasteful number, since it uses less digits than its factorization.

1240713003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571 (or 10542 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1240713003 is about 35223.7562307032. The cubic root of 1240713003 is about 1074.5429470059.

Adding to 1240713003 its reverse (3003170421), we get a palindrome (4243883424).

The spelling of 1240713003 in words is "one billion, two hundred forty million, seven hundred thirteen thousand, three".