123040601 has 2 divisors, whose sum is σ = 123040602. Its totient is φ = 123040600.

The previous prime is 123040579. The next prime is 123040633. The reversal of 123040601 is 106040321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 1048576 = 11045^2 + 1024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123040601 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123040601.

It is not a weakly prime, because it can be changed into another prime (123040661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61520300 + 61520301.

It is an arithmetic number, because the mean of its divisors is an integer number (61520301).

Almost surely, 2^123040601 is an apocalyptic number.

It is an amenable number.

123040601 is a deficient number, since it is larger than the sum of its proper divisors (1).

123040601 is an equidigital number, since it uses as much as digits as its factorization.

123040601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 123040601 is about 11092.3667898244. The cubic root of 123040601 is about 497.3736972205.

Adding to 123040601 its reverse (106040321), we get a palindrome (229080922).

The spelling of 123040601 in words is "one hundred twenty-three million, forty thousand, six hundred one".