122318573 has 4 divisors (see below), whose sum is σ = 131727708. Its totient is φ = 112909440.

The previous prime is 122318569. The next prime is 122318579. The reversal of 122318573 is 375813221.

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 79245604 + 43072969 = 8902^2 + 6563^2 .

It is a cyclic number.

It is not a de Polignac number, because 122318573 - 2² = 122318569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122318579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4704548 + ... + 4704573.

It is an arithmetic number, because the mean of its divisors is an integer number (32931927).

Almost surely, 2^122318573 is an apocalyptic number.

122318573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122318573 is a deficient number, since it is larger than the sum of its proper divisors (9409135).

122318573 is an equidigital number, since it uses as much as digits as its factorization.

122318573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409134.

The product of its digits is 10080, while the sum is 32.

The square root of 122318573 is about 11059.7727372673. The cubic root of 122318573 is about 496.3988902832.

The spelling of 122318573 in words is "one hundred twenty-two million, three hundred eighteen thousand, five hundred seventy-three".