122020173045 has 24 divisors (see below), whose sum is σ = 220697358336. Its totient is φ = 62247971808.

The previous prime is 122020173013. The next prime is 122020173139. The reversal of 122020173045 is 540371020221.

It is not a de Polignac number, because 122020173045 - 2⁵ = 122020173013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58945909 + ... + 58947978.

It is an arithmetic number, because the mean of its divisors is an integer number (9195723264).

Almost surely, 2^122020173045 is an apocalyptic number.

122020173045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122020173045 is a deficient number, since it is larger than the sum of its proper divisors (98677185291).

122020173045 is a wasteful number, since it uses less digits than its factorization.

122020173045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117893921 (or 117893918 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 122020173045 its reverse (540371020221), we get a palindrome (662391193266).

The spelling of 122020173045 in words is "one hundred twenty-two billion, twenty million, one hundred seventy-three thousand, forty-five".