122618 has 8 divisors (see below), whose sum is σ = 189012. Its totient is φ = 59616.

The previous prime is 122611. The next prime is 122651. The reversal of 122618 is 816221.

It can be written as a sum of positive squares in 2 ways, for example, as 120409 + 2209 = 347^2 + 47^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 122618.

It is not an unprimeable number, because it can be changed into a prime (122611) 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, 755 + ... + 902.

2¹²²⁶¹⁸ is an apocalyptic number.

122618 is a deficient number, since it is larger than the sum of its proper divisors (66394).

122618 is a wasteful number, since it uses less digits than its factorization.

122618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its digits is 192, while the sum is 20.

The square root of 122618 is about 350.1685308534. The cubic root of 122618 is about 49.6803609721.

Adding to 122618 its reverse (816221), we get a palindrome (938839).

The spelling of 122618 in words is "one hundred twenty-two thousand, six hundred eighteen".