122020147567 has 4 divisors (see below), whose sum is σ = 122020846200. Its totient is φ = 122019448936.

The previous prime is 122020147559. The next prime is 122020147609. The reversal of 122020147567 is 765741020221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122020147567 - 2³ = 122020147559 is a prime.

It is a super-3 number, since 3×122020147567³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020147547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172809 + ... + 523357.

It is an arithmetic number, because the mean of its divisors is an integer number (30505211550).

Almost surely, 2^122020147567 is an apocalyptic number.

122020147567 is a deficient number, since it is larger than the sum of its proper divisors (698633).

122020147567 is an equidigital number, since it uses as much as digits as its factorization.

122020147567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698632.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 122020147567 its reverse (765741020221), we get a palindrome (887761167788).

The spelling of 122020147567 in words is "one hundred twenty-two billion, twenty million, one hundred forty-seven thousand, five hundred sixty-seven".