122164518 has 16 divisors (see below), whose sum is σ = 279233280. Its totient is φ = 34904136.

The previous prime is 122164513. The next prime is 122164531. The reversal of 122164518 is 815461221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122164513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454298 + ... + 1454381.

It is an arithmetic number, because the mean of its divisors is an integer number (17452080).

Almost surely, 2^122164518 is an apocalyptic number.

122164518 is an abundant number, since it is smaller than the sum of its proper divisors (157068762).

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

122164518 is a wasteful number, since it uses less digits than its factorization.

122164518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908691.

The product of its digits is 3840, while the sum is 30.

The square root of 122164518 is about 11052.8058880992. The cubic root of 122164518 is about 496.1904050238.

The spelling of 122164518 in words is "one hundred twenty-two million, one hundred sixty-four thousand, five hundred eighteen".