122811338 has 16 divisors (see below), whose sum is σ = 200147976. Its totient is φ = 56179200.

The previous prime is 122811319. The next prime is 122811343. The reversal of 122811338 is 833118221.

It can be written as a sum of positive squares in 4 ways, for example, as 10387729 + 112423609 = 3223^2 + 10603^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122811338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17963 + ... + 23838.

Almost surely, 2^122811338 is an apocalyptic number.

122811338 is a deficient number, since it is larger than the sum of its proper divisors (77336638).

122811338 is a wasteful number, since it uses less digits than its factorization.

122811338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41929.

The product of its digits is 2304, while the sum is 29.

The square root of 122811338 is about 11082.0277025461. The cubic root of 122811338 is about 497.0645843951.

Adding to 122811338 its reverse (833118221), we get a palindrome (955929559).

The spelling of 122811338 in words is "one hundred twenty-two million, eight hundred eleven thousand, three hundred thirty-eight".