122150144773 has 4 divisors (see below), whose sum is σ = 122856215148. Its totient is φ = 121444074400.

The previous prime is 122150144749. The next prime is 122150144801. The reversal of 122150144773 is 377441051221.

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 111341007684 + 10809137089 = 333678^2 + 103967^2 .

It is a cyclic number.

It is not a de Polignac number, because 122150144773 - 2⁵ = 122150144741 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 (122150124773) 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, 353034928 + ... + 353035273.

It is an arithmetic number, because the mean of its divisors is an integer number (30714053787).

Almost surely, 2^122150144773 is an apocalyptic number.

It is an amenable number.

122150144773 is a deficient number, since it is larger than the sum of its proper divisors (706070375).

122150144773 is an equidigital number, since it uses as much as digits as its factorization.

122150144773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706070374.

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

Adding to 122150144773 its reverse (377441051221), we get a palindrome (499591195994).

The spelling of 122150144773 in words is "one hundred twenty-two billion, one hundred fifty million, one hundred forty-four thousand, seven hundred seventy-three".