123130207 has 2 divisors, whose sum is σ = 123130208. Its totient is φ = 123130206.

The previous prime is 123130193. The next prime is 123130213. The reversal of 123130207 is 702031321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123130207 - 2¹⁵ = 123097439 is a prime.

It is a super-2 number, since 2×123130207² = 30322095751725698, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123130807) 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, 61565103 + 61565104.

It is an arithmetic number, because the mean of its divisors is an integer number (61565104).

Almost surely, 2^123130207 is an apocalyptic number.

123130207 is a deficient number, since it is larger than the sum of its proper divisors (1).

123130207 is an equidigital number, since it uses as much as digits as its factorization.

123130207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 123130207 is about 11096.4051386023. The cubic root of 123130207 is about 497.4944076541.

Adding to 123130207 its reverse (702031321), we get a palindrome (825161528).

The spelling of 123130207 in words is "one hundred twenty-three million, one hundred thirty thousand, two hundred seven".