122320260 has 192 divisors, whose sum is σ = 402796800. Its totient is φ = 30772224.

The previous prime is 122320249. The next prime is 122320267. The reversal of 122320260 is 62023221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (122320267) 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 63 ways as a sum of consecutive naturals, for example, 1143127 + ... + 1143233.

It is an arithmetic number, because the mean of its divisors is an integer number (2097900).

Almost surely, 2^122320260 is an apocalyptic number.

122320260 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 122320260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201398400).

122320260 is an abundant number, since it is smaller than the sum of its proper divisors (280476540).

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

122320260 is a wasteful number, since it uses less digits than its factorization.

122320260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 122320260 is about 11059.8490043942. The cubic root of 122320260 is about 496.4011723598.

Adding to 122320260 its reverse (62023221), we get a palindrome (184343481).

The spelling of 122320260 in words is "one hundred twenty-two million, three hundred twenty thousand, two hundred sixty".