122400165 has 8 divisors (see below), whose sum is σ = 195840288. Its totient is φ = 65280080.

The previous prime is 122400163. The next prime is 122400199. The reversal of 122400165 is 561004221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122400165 - 2¹ = 122400163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122400163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4079991 + ... + 4080020.

It is an arithmetic number, because the mean of its divisors is an integer number (24480036).

Almost surely, 2^122400165 is an apocalyptic number.

122400165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122400165 is a deficient number, since it is larger than the sum of its proper divisors (73440123).

122400165 is an equidigital number, since it uses as much as digits as its factorization.

122400165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8160019.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 122400165 is about 11063.4608057334. The cubic root of 122400165 is about 496.5092392269.

Adding to 122400165 its reverse (561004221), we get a palindrome (683404386).

The spelling of 122400165 in words is "one hundred twenty-two million, four hundred thousand, one hundred sixty-five".