122012773 has 4 divisors (see below), whose sum is σ = 126220140. Its totient is φ = 117805408.

The previous prime is 122012753. The next prime is 122012777. The reversal of 122012773 is 377210221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 377210221 = 29 ⋅13007249.

It can be written as a sum of positive squares in 2 ways, for example, as 85507009 + 36505764 = 9247^2 + 6042^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012773 - 2⁵ = 122012741 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 (122012777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103640 + ... + 2103697.

It is an arithmetic number, because the mean of its divisors is an integer number (31555035).

Almost surely, 2^122012773 is an apocalyptic number.

It is an amenable number.

122012773 is a deficient number, since it is larger than the sum of its proper divisors (4207367).

122012773 is an equidigital number, since it uses as much as digits as its factorization.

122012773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207366.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 122012773 is about 11045.9392085961. The cubic root of 122012773 is about 495.9848745062.

Adding to 122012773 its reverse (377210221), we get a palindrome (499222994).

The spelling of 122012773 in words is "one hundred twenty-two million, twelve thousand, seven hundred seventy-three".