1020110123 has 2 divisors, whose sum is σ = 1020110124. Its totient is φ = 1020110122.

The previous prime is 1020110111. The next prime is 1020110131. The reversal of 1020110123 is 3210110201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020110123 - 2¹⁰ = 1020109099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020110153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510055061 + 510055062.

It is an arithmetic number, because the mean of its divisors is an integer number (510055062).

Almost surely, 2^1020110123 is an apocalyptic number.

1020110123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020110123 is an equidigital number, since it uses as much as digits as its factorization.

1020110123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1020110123 is about 31939.1628412518. The cubic root of 1020110123 is about 1006.6589345024.

Adding to 1020110123 its reverse (3210110201), we get a palindrome (4230220324).

The spelling of 1020110123 in words is "one billion, twenty million, one hundred ten thousand, one hundred twenty-three".