1242340414043 has 4 divisors (see below), whose sum is σ = 1242347176848. Its totient is φ = 1242333651240.

The previous prime is 1242340414019. The next prime is 1242340414061. The reversal of 1242340414043 is 3404140432421.

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 1242340414043 - 2¹⁶ = 1242340348507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242340414543) 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, 3097928 + ... + 3475893.

It is an arithmetic number, because the mean of its divisors is an integer number (310586794212).

Almost surely, 2^{1242340414043} is an apocalyptic number.

1242340414043 is a deficient number, since it is larger than the sum of its proper divisors (6762805).

1242340414043 is an equidigital number, since it uses as much as digits as its factorization.

1242340414043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6762804.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1242340414043 its reverse (3404140432421), we get a palindrome (4646480846464).

The spelling of 1242340414043 in words is "one trillion, two hundred forty-two billion, three hundred forty million, four hundred fourteen thousand, forty-three".