123242054125039 has 2 divisors, whose sum is σ = 123242054125040. Its totient is φ = 123242054125038.

The previous prime is 123242054125031. The next prime is 123242054125079. The reversal of 123242054125039 is 930521450242321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123242054125039 - 2³ = 123242054125031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123242054124986 and 123242054125004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123242054125031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621027062519 + 61621027062520.

It is an arithmetic number, because the mean of its divisors is an integer number (61621027062520).

Almost surely, 2^{123242054125039} is an apocalyptic number.

123242054125039 is a deficient number, since it is larger than the sum of its proper divisors (1).

123242054125039 is an equidigital number, since it uses as much as digits as its factorization.

123242054125039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 123242054125039 in words is "one hundred twenty-three trillion, two hundred forty-two billion, fifty-four million, one hundred twenty-five thousand, thirty-nine".