123946969 has 2 divisors, whose sum is σ = 123946970. Its totient is φ = 123946968.

The previous prime is 123946961. The next prime is 123946987. The reversal of 123946969 is 969649321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121815369 + 2131600 = 11037^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 123946969 - 2³ = 123946961 is a prime.

It is a super-3 number, since 3×123946969³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (123946961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61973484 + 61973485.

It is an arithmetic number, because the mean of its divisors is an integer number (61973485).

Almost surely, 2^123946969 is an apocalyptic number.

It is an amenable number.

123946969 is a deficient number, since it is larger than the sum of its proper divisors (1).

123946969 is an equidigital number, since it uses as much as digits as its factorization.

123946969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 49.

The square root of 123946969 is about 11133.1473088251. The cubic root of 123946969 is about 498.5919974460.

The spelling of 123946969 in words is "one hundred twenty-three million, nine hundred forty-six thousand, nine hundred sixty-nine".