122705930665405 has 16 divisors (see below), whose sum is σ = 150847425275904. Its totient is φ = 95764821909120.

The previous prime is 122705930665309. The next prime is 122705930665411. The reversal of 122705930665405 is 504566039507221.

It is not a de Polignac number, because 122705930665405 - 2²³ = 122705922276797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14210757 + ... + 21150826.

It is an arithmetic number, because the mean of its divisors is an integer number (9427964079744).

Almost surely, 2^{122705930665405} is an apocalyptic number.

It is an amenable number.

122705930665405 is a deficient number, since it is larger than the sum of its proper divisors (28141494610499).

122705930665405 is a wasteful number, since it uses less digits than its factorization.

122705930665405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35378556.

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 122705930665405 in words is "one hundred twenty-two trillion, seven hundred five billion, nine hundred thirty million, six hundred sixty-five thousand, four hundred five".