123806741 has 2 divisors, whose sum is σ = 123806742. Its totient is φ = 123806740.

The previous prime is 123806737. The next prime is 123806779. The reversal of 123806741 is 147608321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79584241 + 44222500 = 8921^2 + 6650^2 .

It is a cyclic number.

It is not a de Polignac number, because 123806741 - 2² = 123806737 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 123806698 and 123806707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123806731) 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, 61903370 + 61903371.

It is an arithmetic number, because the mean of its divisors is an integer number (61903371).

Almost surely, 2^123806741 is an apocalyptic number.

It is an amenable number.

123806741 is a deficient number, since it is larger than the sum of its proper divisors (1).

123806741 is an equidigital number, since it uses as much as digits as its factorization.

123806741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 123806741 is about 11126.8477566650. The cubic root of 123806741 is about 498.4038983405.

The spelling of 123806741 in words is "one hundred twenty-three million, eight hundred six thousand, seven hundred forty-one".