122133220 has 48 divisors (see below), whose sum is σ = 291973248. Its totient is φ = 42479360.

The previous prime is 122133217. The next prime is 122133223. The reversal of 122133220 is 22331221.

It is an interprime number because it is at equal distance from previous prime (122133217) and next prime (122133223).

It is a junction number, because it is equal to n+sod(n) for n = 122133194 and 122133203.

It is not an unprimeable number, because it can be changed into a prime (122133223) 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, 7009 + ... + 17128.

It is an arithmetic number, because the mean of its divisors is an integer number (6082776).

Almost surely, 2^122133220 is an apocalyptic number.

122133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122133220 is an abundant number, since it is smaller than the sum of its proper divisors (169840028).

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

122133220 is a wasteful number, since it uses less digits than its factorization.

122133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24180 (or 24178 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122133220 is about 11051.3899578288. The cubic root of 122133220 is about 496.1480274880.

Adding to 122133220 its reverse (22331221), we get a palindrome (144464441).

The spelling of 122133220 in words is "one hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty".