122054350405 has 8 divisors (see below), whose sum is σ = 157731775992. Its totient is φ = 90132443328.

The previous prime is 122054350393. The next prime is 122054350409. The reversal of 122054350405 is 504053450221.

It can be written as a sum of positive squares in 4 ways, for example, as 23600164 + 122030750241 = 4858^2 + 349329^2 .

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 122054350405 - 2¹⁹ = 122053826117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122054350409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938879554 + ... + 938879683.

It is an arithmetic number, because the mean of its divisors is an integer number (19716471999).

Almost surely, 2^122054350405 is an apocalyptic number.

It is an amenable number.

122054350405 is a deficient number, since it is larger than the sum of its proper divisors (35677425587).

122054350405 is a wasteful number, since it uses less digits than its factorization.

122054350405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877759255.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 122054350405 in words is "one hundred twenty-two billion, fifty-four million, three hundred fifty thousand, four hundred five".