122075463509 has 2 divisors, whose sum is σ = 122075463510. Its totient is φ = 122075463508.

The previous prime is 122075463473. The next prime is 122075463563. The reversal of 122075463509 is 905364570221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112826794609 + 9248668900 = 335897^2 + 96170^2 .

It is a cyclic number.

It is not a de Polignac number, because 122075463509 - 2¹² = 122075459413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122075463509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122075463569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61037731754 + 61037731755.

It is an arithmetic number, because the mean of its divisors is an integer number (61037731755).

Almost surely, 2^122075463509 is an apocalyptic number.

It is an amenable number.

122075463509 is a deficient number, since it is larger than the sum of its proper divisors (1).

122075463509 is an equidigital number, since it uses as much as digits as its factorization.

122075463509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 122075463509 in words is "one hundred twenty-two billion, seventy-five million, four hundred sixty-three thousand, five hundred nine".