123289241 has 2 divisors, whose sum is σ = 123289242. Its totient is φ = 123289240.

The previous prime is 123289207. The next prime is 123289259. The reversal of 123289241 is 142982321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122655625 + 633616 = 11075^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 123289241 - 2¹⁴ = 123272857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123289198 and 123289207.

It is not a weakly prime, because it can be changed into another prime (123219241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61644620 + 61644621.

It is an arithmetic number, because the mean of its divisors is an integer number (61644621).

Almost surely, 2^123289241 is an apocalyptic number.

It is an amenable number.

123289241 is a deficient number, since it is larger than the sum of its proper divisors (1).

123289241 is an equidigital number, since it uses as much as digits as its factorization.

123289241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 123289241 is about 11103.5688406926. The cubic root of 123289241 is about 497.7085021183.

The spelling of 123289241 in words is "one hundred twenty-three million, two hundred eighty-nine thousand, two hundred forty-one".