122043618 has 16 divisors (see below), whose sum is σ = 271208160. Its totient is φ = 40681188.

The previous prime is 122043617. The next prime is 122043637. The reversal of 122043618 is 816340221.

122043618 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 43 + 618 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 122043591 and 122043600.

It is not an unprimeable number, because it can be changed into a prime (122043613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129980 + ... + 1130087.

It is an arithmetic number, because the mean of its divisors is an integer number (16950510).

Almost surely, 2^122043618 is an apocalyptic number.

122043618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122043618 is an abundant number, since it is smaller than the sum of its proper divisors (149164542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122043618 is a wasteful number, since it uses less digits than its factorization.

122043618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260078 (or 2260072 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 122043618 is about 11047.3353348217. The cubic root of 122043618 is about 496.0266662085.

Adding to 122043618 its reverse (816340221), we get a palindrome (938383839).

The spelling of 122043618 in words is "one hundred twenty-two million, forty-three thousand, six hundred eighteen".