1242105052303 has 8 divisors (see below), whose sum is σ = 1316826281600. Its totient is φ = 1169549655840.

The previous prime is 1242105052297. The next prime is 1242105052333. The reversal of 1242105052303 is 3032505012421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242105052303 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 (1242105052333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541457028 + ... + 541459321.

It is an arithmetic number, because the mean of its divisors is an integer number (164603285200).

Almost surely, 2^{1242105052303} is an apocalyptic number.

1242105052303 is a deficient number, since it is larger than the sum of its proper divisors (74721229297).

1242105052303 is a wasteful number, since it uses less digits than its factorization.

1242105052303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082916417.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 1242105052303 in words is "one trillion, two hundred forty-two billion, one hundred five million, fifty-two thousand, three hundred three".