122104005545 has 4 divisors (see below), whose sum is σ = 146524806660. Its totient is φ = 97683204432.

The previous prime is 122104005437. The next prime is 122104005593. The reversal of 122104005545 is 545500401221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 68656576576 + 53447428969 = 262024^2 + 231187^2 .

It is a cyclic number.

It is not a de Polignac number, because 122104005545 - 2²² = 122099811241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12210400550 + ... + 12210400559.

It is an arithmetic number, because the mean of its divisors is an integer number (36631201665).

Almost surely, 2^122104005545 is an apocalyptic number.

It is an amenable number.

122104005545 is a deficient number, since it is larger than the sum of its proper divisors (24420801115).

122104005545 is an equidigital number, since it uses as much as digits as its factorization.

122104005545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24420801114.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 122104005545 its reverse (545500401221), we get a palindrome (667604406766).

The spelling of 122104005545 in words is "one hundred twenty-two billion, one hundred four million, five thousand, five hundred forty-five".