123601199 has 2 divisors, whose sum is σ = 123601200. Its totient is φ = 123601198.

The previous prime is 123601139. The next prime is 123601217. The reversal of 123601199 is 991106321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123601199 is a prime.

It is equal to p_7034963 and since 123601199 and 7034963 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123601129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61800599 + 61800600.

It is an arithmetic number, because the mean of its divisors is an integer number (61800600).

Almost surely, 2^123601199 is an apocalyptic number.

123601199 is a deficient number, since it is larger than the sum of its proper divisors (1).

123601199 is an equidigital number, since it uses as much as digits as its factorization.

123601199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 123601199 is about 11117.6076113524. The cubic root of 123601199 is about 498.1279314667.

The spelling of 123601199 in words is "one hundred twenty-three million, six hundred one thousand, one hundred ninety-nine".