123120031302241 has 2 divisors, whose sum is σ = 123120031302242. Its totient is φ = 123120031302240.

The previous prime is 123120031302197. The next prime is 123120031302271. The reversal of 123120031302241 is 142203130021321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79599675078225 + 43520356224016 = 8921865^2 + 6596996^2 .

It is a cyclic number.

It is not a de Polignac number, because 123120031302241 - 2⁴¹ = 120921008046689 is a prime.

It is not a weakly prime, because it can be changed into another prime (123120031302271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61560015651120 + 61560015651121.

It is an arithmetic number, because the mean of its divisors is an integer number (61560015651121).

Almost surely, 2^{123120031302241} is an apocalyptic number.

It is an amenable number.

123120031302241 is a deficient number, since it is larger than the sum of its proper divisors (1).

123120031302241 is an equidigital number, since it uses as much as digits as its factorization.

123120031302241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123120031302241 its reverse (142203130021321), we get a palindrome (265323161323562).

The spelling of 123120031302241 in words is "one hundred twenty-three trillion, one hundred twenty billion, thirty-one million, three hundred two thousand, two hundred forty-one".