122030440 has 64 divisors (see below), whose sum is σ = 322300800. Its totient is φ = 40704768.

The previous prime is 122030417. The next prime is 122030443. The reversal of 122030440 is 44030221.

It is not an unprimeable number, because it can be changed into a prime (122030443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4471 + ... + 16249.

It is an arithmetic number, because the mean of its divisors is an integer number (5035950).

Almost surely, 2^122030440 is an apocalyptic number.

122030440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122030440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161150400).

122030440 is an abundant number, since it is smaller than the sum of its proper divisors (200270360).

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

122030440 is a wasteful number, since it uses less digits than its factorization.

122030440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11834 (or 11830 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 122030440 is about 11046.7388853000. The cubic root of 122030440 is about 496.0088122784.

Adding to 122030440 its reverse (44030221), we get a palindrome (166060661).

The spelling of 122030440 in words is "one hundred twenty-two million, thirty thousand, four hundred forty".