1042103123 has 2 divisors, whose sum is σ = 1042103124. Its totient is φ = 1042103122.

The previous prime is 1042103071. The next prime is 1042103149. The reversal of 1042103123 is 3213012401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042103123 - 2¹⁰ = 1042102099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1042102123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521051561 + 521051562.

It is an arithmetic number, because the mean of its divisors is an integer number (521051562).

Almost surely, 2^1042103123 is an apocalyptic number.

1042103123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042103123 is an equidigital number, since it uses as much as digits as its factorization.

1042103123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1042103123 is about 32281.6220627155. The cubic root of 1042103123 is about 1013.8418923240.

Adding to 1042103123 its reverse (3213012401), we get a palindrome (4255115524).

The spelling of 1042103123 in words is "one billion, forty-two million, one hundred three thousand, one hundred twenty-three".