123845201 has 2 divisors, whose sum is σ = 123845202. Its totient is φ = 123845200.

The previous prime is 123845159. The next prime is 123845231. The reversal of 123845201 is 102548321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 524176 = 11105^2 + 724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123845201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123845231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61922600 + 61922601.

It is an arithmetic number, because the mean of its divisors is an integer number (61922601).

Almost surely, 2^123845201 is an apocalyptic number.

It is an amenable number.

123845201 is a deficient number, since it is larger than the sum of its proper divisors (1).

123845201 is an equidigital number, since it uses as much as digits as its factorization.

123845201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 123845201 is about 11128.5758747470. The cubic root of 123845201 is about 498.4555019641.

The spelling of 123845201 in words is "one hundred twenty-three million, eight hundred forty-five thousand, two hundred one".