1042751407103 has 16 divisors (see below), whose sum is σ = 1214272442880. Its totient is φ = 876871490976.

The previous prime is 1042751407099. The next prime is 1042751407121. The reversal of 1042751407103 is 3017041572401.

It is a Cunningham number, because it is equal to 1021152²-1.

It is a cyclic number.

It is not a de Polignac number, because 1042751407103 - 2² = 1042751407099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042751407163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7075118 + ... + 7220996.

It is an arithmetic number, because the mean of its divisors is an integer number (75892027680).

Almost surely, 2^{1042751407103} is an apocalyptic number.

1042751407103 is a deficient number, since it is larger than the sum of its proper divisors (171521035777).

1042751407103 is a wasteful number, since it uses less digits than its factorization.

1042751407103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165206.

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 1042751407103 its reverse (3017041572401), we get a palindrome (4059792979504).

The spelling of 1042751407103 in words is "one trillion, forty-two billion, seven hundred fifty-one million, four hundred seven thousand, one hundred three".