122120318 has 4 divisors (see below), whose sum is σ = 183180480. Its totient is φ = 61060158.

The previous prime is 122120311. The next prime is 122120329. The reversal of 122120318 is 813021221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×122120318² = 29826744136842248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122120318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530078 + ... + 30530081.

It is an arithmetic number, because the mean of its divisors is an integer number (45795120).

Almost surely, 2^122120318 is an apocalyptic number.

122120318 is a deficient number, since it is larger than the sum of its proper divisors (61060162).

122120318 is an equidigital number, since it uses as much as digits as its factorization.

122120318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61060161.

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

The square root of 122120318 is about 11050.8062149329. The cubic root of 122120318 is about 496.1305560546.

Adding to 122120318 its reverse (813021221), we get a palindrome (935141539).

It can be divided in two parts, 1221203 and 18, that added together give a palindrome (1221221).

The spelling of 122120318 in words is "one hundred twenty-two million, one hundred twenty thousand, three hundred eighteen".