122236560 has 80 divisors (see below), whose sum is σ = 421044480. Its totient is φ = 32595840.

The previous prime is 122236523. The next prime is 122236561. The reversal of 122236560 is 65632221.

122236560 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 3 + 656 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122236561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26136 + ... + 30455.

It is an arithmetic number, because the mean of its divisors is an integer number (5263056).

Almost surely, 2^122236560 is an apocalyptic number.

122236560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122236560 is an abundant number, since it is smaller than the sum of its proper divisors (298807920).

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

122236560 is a wasteful number, since it uses less digits than its factorization.

122236560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56613 (or 56601 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 122236560 is about 11056.0643992336. The cubic root of 122236560 is about 496.2879224954.

Adding to 122236560 its reverse (65632221), we get a palindrome (187868781).

The spelling of 122236560 in words is "one hundred twenty-two million, two hundred thirty-six thousand, five hundred sixty".