123266641 has 2 divisors, whose sum is σ = 123266642. Its totient is φ = 123266640.

The previous prime is 123266629. The next prime is 123266653. The reversal of 123266641 is 146662321.

It is a balanced prime because it is at equal distance from previous prime (123266629) and next prime (123266653).

It can be written as a sum of positive squares in only one way, i.e., 62489025 + 60777616 = 7905^2 + 7796^2 .

It is a cyclic number.

It is not a de Polignac number, because 123266641 - 2¹⁹ = 122742353 is a prime.

It is not a weakly prime, because it can be changed into another prime (123266621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61633320 + 61633321.

It is an arithmetic number, because the mean of its divisors is an integer number (61633321).

Almost surely, 2^123266641 is an apocalyptic number.

It is an amenable number.

123266641 is a deficient number, since it is larger than the sum of its proper divisors (1).

123266641 is an equidigital number, since it uses as much as digits as its factorization.

123266641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 123266641 is about 11102.5511032375. The cubic root of 123266641 is about 497.6780888143.

The spelling of 123266641 in words is "one hundred twenty-three million, two hundred sixty-six thousand, six hundred forty-one".