123500107 has 2 divisors, whose sum is σ = 123500108. Its totient is φ = 123500106.

The previous prime is 123500093. The next prime is 123500129. The reversal of 123500107 is 701005321.

It is a weak prime.

It is an emirp because it is prime and its reverse (701005321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123500107 - 2⁷ = 123499979 is a prime.

It is a super-2 number, since 2×123500107² = 30504552858022898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123500207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61750053 + 61750054.

It is an arithmetic number, because the mean of its divisors is an integer number (61750054).

Almost surely, 2^123500107 is an apocalyptic number.

123500107 is a deficient number, since it is larger than the sum of its proper divisors (1).

123500107 is an equidigital number, since it uses as much as digits as its factorization.

123500107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 123500107 is about 11113.0601996030. The cubic root of 123500107 is about 497.9920900557.

Adding to 123500107 its reverse (701005321), we get a palindrome (824505428).

The spelling of 123500107 in words is "one hundred twenty-three million, five hundred thousand, one hundred seven".