122372666 has 16 divisors (see below), whose sum is σ = 198037224. Its totient is φ = 56377344.

The previous prime is 122372641. The next prime is 122372737. The reversal of 122372666 is 666273221.

It can be written as a sum of positive squares in 4 ways, for example, as 118352641 + 4020025 = 10879^2 + 2005^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11450 + ... + 19386.

Almost surely, 2^122372666 is an apocalyptic number.

122372666 is a deficient number, since it is larger than the sum of its proper divisors (75664558).

122372666 is a wasteful number, since it uses less digits than its factorization.

122372666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545.

The product of its digits is 36288, while the sum is 35.

The square root of 122372666 is about 11062.2179512067. The cubic root of 122372666 is about 496.4720537373.

The spelling of 122372666 in words is "one hundred twenty-two million, three hundred seventy-two thousand, six hundred sixty-six".