122440560 has 160 divisors (see below), whose sum is σ = 436043520. Its totient is φ = 28108800.

The previous prime is 122440531. The next prime is 122440567. The reversal of 122440560 is 65044221.

It is a super-2 number, since 2×122440560² = 29983381466227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 122440560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122440567) 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 31 ways as a sum of consecutive naturals, for example, 48940 + ... + 51380.

It is an arithmetic number, because the mean of its divisors is an integer number (2725272).

Almost surely, 2^122440560 is an apocalyptic number.

122440560 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 122440560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218021760).

122440560 is an abundant number, since it is smaller than the sum of its proper divisors (313602960).

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

122440560 is a wasteful number, since it uses less digits than its factorization.

122440560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 122440560 is about 11065.2862592886. The cubic root of 122440560 is about 496.5638532185.

Adding to 122440560 its reverse (65044221), we get a palindrome (187484781).

The spelling of 122440560 in words is "one hundred twenty-two million, four hundred forty thousand, five hundred sixty".