122466789 has 32 divisors (see below), whose sum is σ = 190464000. Its totient is φ = 77623920.

The previous prime is 122466787. The next prime is 122466809. The reversal of 122466789 is 987664221.

It is a happy number.

It is not a de Polignac number, because 122466789 - 2¹ = 122466787 is a prime.

It is a super-2 number, since 2×122466789² = 29996228815941042, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122466787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123084 + ... + 124074.

It is an arithmetic number, because the mean of its divisors is an integer number (5952000).

Almost surely, 2^122466789 is an apocalyptic number.

It is an amenable number.

122466789 is a deficient number, since it is larger than the sum of its proper divisors (67997211).

122466789 is a wasteful number, since it uses less digits than its factorization.

122466789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1216 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 122466789 is about 11066.4713888394. The cubic root of 122466789 is about 496.5993083634.

The spelling of 122466789 in words is "one hundred twenty-two million, four hundred sixty-six thousand, seven hundred eighty-nine".