1020130123 has 2 divisors, whose sum is σ = 1020130124. Its totient is φ = 1020130122.

The previous prime is 1020130117. The next prime is 1020130127. The reversal of 1020130123 is 3210310201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020130123 - 2⁹ = 1020129611 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (1020130127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510065061 + 510065062.

It is an arithmetic number, because the mean of its divisors is an integer number (510065062).

Almost surely, 2^1020130123 is an apocalyptic number.

1020130123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020130123 is an equidigital number, since it uses as much as digits as its factorization.

1020130123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1020130123 is about 31939.4759349617. The cubic root of 1020130123 is about 1006.6655132193.

Adding to 1020130123 its reverse (3210310201), we get a palindrome (4230440324).

The spelling of 1020130123 in words is "one billion, twenty million, one hundred thirty thousand, one hundred twenty-three".