102026123 has 2 divisors, whose sum is σ = 102026124. Its totient is φ = 102026122.

The previous prime is 102026083. The next prime is 102026153. The reversal of 102026123 is 321620201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102026123 - 2¹² = 102022027 is a prime.

It is a super-2 number, since 2×102026123² = 20818659548822258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102026153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51013061 + 51013062.

It is an arithmetic number, because the mean of its divisors is an integer number (51013062).

Almost surely, 2^102026123 is an apocalyptic number.

102026123 is a deficient number, since it is larger than the sum of its proper divisors (1).

102026123 is an equidigital number, since it uses as much as digits as its factorization.

102026123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 102026123 is about 10100.7981367811. The cubic root of 102026123 is about 467.2727567653.

Adding to 102026123 its reverse (321620201), we get a palindrome (423646324).

The spelling of 102026123 in words is "one hundred two million, twenty-six thousand, one hundred twenty-three".