123799597 has 2 divisors, whose sum is σ = 123799598. Its totient is φ = 123799596.

The previous prime is 123799591. The next prime is 123799601. The reversal of 123799597 is 795997321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118504996 + 5294601 = 10886^2 + 2301^2 .

It is a cyclic number.

It is not a de Polignac number, because 123799597 - 2³ = 123799589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123799591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61899798 + 61899799.

It is an arithmetic number, because the mean of its divisors is an integer number (61899799).

Almost surely, 2^123799597 is an apocalyptic number.

It is an amenable number.

123799597 is a deficient number, since it is larger than the sum of its proper divisors (1).

123799597 is an equidigital number, since it uses as much as digits as its factorization.

123799597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1071630, while the sum is 52.

The square root of 123799597 is about 11126.5267267014. The cubic root of 123799597 is about 498.3943117167.

The spelling of 123799597 in words is "one hundred twenty-three million, seven hundred ninety-nine thousand, five hundred ninety-seven".