122136223 has 8 divisors (see below), whose sum is σ = 136841040. Its totient is φ = 108031680.

The previous prime is 122136193. The next prime is 122136241. The reversal of 122136223 is 322631221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122136223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122136194 and 122136203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122136263) 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 7 ways as a sum of consecutive naturals, for example, 149638 + ... + 150451.

It is an arithmetic number, because the mean of its divisors is an integer number (17105130).

Almost surely, 2^122136223 is an apocalyptic number.

122136223 is a deficient number, since it is larger than the sum of its proper divisors (14704817).

122136223 is a wasteful number, since it uses less digits than its factorization.

122136223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300137.

The product of its digits is 864, while the sum is 22.

The square root of 122136223 is about 11051.5258222564. The cubic root of 122136223 is about 496.1520938682.

Adding to 122136223 its reverse (322631221), we get a palindrome (444767444).

The spelling of 122136223 in words is "one hundred twenty-two million, one hundred thirty-six thousand, two hundred twenty-three".