1240103413 has 4 divisors (see below), whose sum is σ = 1266488640. Its totient is φ = 1213718188.

The previous prime is 1240103353. The next prime is 1240103441. The reversal of 1240103413 is 3143010421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1240103413 - 2¹³ = 1240095221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240143413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13192543 + ... + 13192636.

It is an arithmetic number, because the mean of its divisors is an integer number (316622160).

Almost surely, 2^1240103413 is an apocalyptic number.

It is an amenable number.

1240103413 is a deficient number, since it is larger than the sum of its proper divisors (26385227).

1240103413 is an equidigital number, since it uses as much as digits as its factorization.

1240103413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26385226.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1240103413 is about 35215.1020586339. The cubic root of 1240103413 is about 1074.3669358629.

Adding to 1240103413 its reverse (3143010421), we get a palindrome (4383113834).

It can be divided in two parts, 1240 and 103413, that added together give a triangular number (104653 = T₄₅₇).

The spelling of 1240103413 in words is "one billion, two hundred forty million, one hundred three thousand, four hundred thirteen".