1242034102103 has 4 divisors (see below), whose sum is σ = 1253025554448. Its totient is φ = 1231042649760.

The previous prime is 1242034102091. The next prime is 1242034102121. The reversal of 1242034102103 is 3012014302421.

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 1242034102103 - 2⁶ = 1242034102039 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 (1242034102403) 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, 5495726003 + ... + 5495726228.

It is an arithmetic number, because the mean of its divisors is an integer number (313256388612).

Almost surely, 2^{1242034102103} is an apocalyptic number.

1242034102103 is a deficient number, since it is larger than the sum of its proper divisors (10991452345).

1242034102103 is a wasteful number, since it uses less digits than its factorization.

1242034102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10991452344.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1242034102103 its reverse (3012014302421), we get a palindrome (4254048404524).

The spelling of 1242034102103 in words is "one trillion, two hundred forty-two billion, thirty-four million, one hundred two thousand, one hundred three".