1042320115103 has 2 divisors, whose sum is σ = 1042320115104. Its totient is φ = 1042320115102.

The previous prime is 1042320115097. The next prime is 1042320115129. The reversal of 1042320115103 is 3015110232401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042320115103 - 2⁴ = 1042320115087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042320175103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521160057551 + 521160057552.

It is an arithmetic number, because the mean of its divisors is an integer number (521160057552).

Almost surely, 2^{1042320115103} is an apocalyptic number.

1042320115103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042320115103 is an equidigital number, since it uses as much as digits as its factorization.

1042320115103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1042320115103 its reverse (3015110232401), we get a palindrome (4057430347504).

The spelling of 1042320115103 in words is "one trillion, forty-two billion, three hundred twenty million, one hundred fifteen thousand, one hundred three".