1240103434043 has 4 divisors (see below), whose sum is σ = 1240106815128. Its totient is φ = 1240100052960.

The previous prime is 1240103434033. The next prime is 1240103434051. The reversal of 1240103434043 is 3404343010421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1240103434043 - 2⁴ = 1240103434027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240103433997 and 1240103434015.

It is not an unprimeable number, because it can be changed into a prime (1240103434013) 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, 1062638 + ... + 1899843.

It is an arithmetic number, because the mean of its divisors is an integer number (310026703782).

Almost surely, 2^{1240103434043} is an apocalyptic number.

1240103434043 is a deficient number, since it is larger than the sum of its proper divisors (3381085).

1240103434043 is an equidigital number, since it uses as much as digits as its factorization.

1240103434043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381084.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1240103434043 its reverse (3404343010421), we get a palindrome (4644446444464).

The spelling of 1240103434043 in words is "one trillion, two hundred forty billion, one hundred three million, four hundred thirty-four thousand, forty-three".