122646121 has 16 divisors (see below), whose sum is σ = 140492800. Its totient is φ = 106126848.

The previous prime is 122646119. The next prime is 122646131. The reversal of 122646121 is 121646221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122646121 - 2¹ = 122646119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122646131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21400 + ... + 26518.

It is an arithmetic number, because the mean of its divisors is an integer number (8780800).

Almost surely, 2^122646121 is an apocalyptic number.

It is an amenable number.

122646121 is a deficient number, since it is larger than the sum of its proper divisors (17846679).

122646121 is a wasteful number, since it uses less digits than its factorization.

122646121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248.

The product of its digits is 1152, while the sum is 25.

The square root of 122646121 is about 11074.5709171958. The cubic root of 122646121 is about 496.8415855119.

The spelling of 122646121 in words is "one hundred twenty-two million, six hundred forty-six thousand, one hundred twenty-one".