122173562873405 has 8 divisors (see below), whose sum is σ = 146622327871032. Its totient is φ = 97729482016768.

The previous prime is 122173562873381. The next prime is 122173562873491. The reversal of 122173562873405 is 504378265371221.

It can be written as a sum of positive squares in 4 ways, for example, as 13791263168281 + 108382299705124 = 3713659^2 + 10410682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122173562873405 - 2¹⁶ = 122173562807869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170977864 + ... + 1171082193.

It is an arithmetic number, because the mean of its divisors is an integer number (18327790983879).

Almost surely, 2^{122173562873405} is an apocalyptic number.

It is an amenable number.

122173562873405 is a deficient number, since it is larger than the sum of its proper divisors (24448764997627).

122173562873405 is a wasteful number, since it uses less digits than its factorization.

122173562873405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342070495.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 122173562873405 in words is "one hundred twenty-two trillion, one hundred seventy-three billion, five hundred sixty-two million, eight hundred seventy-three thousand, four hundred five".