1001242103 has 2 divisors, whose sum is σ = 1001242104. Its totient is φ = 1001242102.

The previous prime is 1001242093. The next prime is 1001242111. The reversal of 1001242103 is 3012421001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001242103 - 2⁴ = 1001242087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001244103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500621051 + 500621052.

It is an arithmetic number, because the mean of its divisors is an integer number (500621052).

Almost surely, 2^1001242103 is an apocalyptic number.

1001242103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001242103 is an equidigital number, since it uses as much as digits as its factorization.

1001242103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1001242103 is about 31642.4098797800. The cubic root of 1001242103 is about 1000.4138630271.

Adding to 1001242103 its reverse (3012421001), we get a palindrome (4013663104).

The spelling of 1001242103 in words is "one billion, one million, two hundred forty-two thousand, one hundred three".