122870166 has 16 divisors (see below), whose sum is σ = 245984688. Its totient is φ = 40916000.

The previous prime is 122870159. The next prime is 122870171. The reversal of 122870166 is 661078221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3285 + ... + 16016.

It is an arithmetic number, because the mean of its divisors is an integer number (15374043).

Almost surely, 2^122870166 is an apocalyptic number.

122870166 is an abundant number, since it is smaller than the sum of its proper divisors (123114522).

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

122870166 is a wasteful number, since it uses less digits than its factorization.

122870166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20367.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 122870166 is about 11084.6815921794. The cubic root of 122870166 is about 497.1439382184.

The spelling of 122870166 in words is "one hundred twenty-two million, eight hundred seventy thousand, one hundred sixty-six".