122554420105123 has 4 divisors (see below), whose sum is σ = 122953620170920. Its totient is φ = 122155220039328.

The previous prime is 122554420105111. The next prime is 122554420105153. The reversal of 122554420105123 is 321501024455221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122554420105123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122554420105153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199600032438 + ... + 199600033051.

It is an arithmetic number, because the mean of its divisors is an integer number (30738405042730).

Almost surely, 2^{122554420105123} is an apocalyptic number.

122554420105123 is a deficient number, since it is larger than the sum of its proper divisors (399200065797).

122554420105123 is an equidigital number, since it uses as much as digits as its factorization.

122554420105123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399200065796.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 122554420105123 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, four hundred twenty million, one hundred five thousand, one hundred twenty-three".