122886681 has 8 divisors (see below), whose sum is σ = 165538464. Its totient is φ = 81079680.

The previous prime is 122886649. The next prime is 122886683. The reversal of 122886681 is 186688221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122886681 - 2⁵ = 122886649 is a prime.

It is a super-2 number, since 2×122886681² = 30202272734391522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122886683) by changing a digit.

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, 210855 + ... + 211436.

It is an arithmetic number, because the mean of its divisors is an integer number (20692308).

Almost surely, 2^122886681 is an apocalyptic number.

It is an amenable number.

122886681 is a deficient number, since it is larger than the sum of its proper divisors (42651783).

122886681 is an equidigital number, since it uses as much as digits as its factorization.

122886681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422391.

The product of its digits is 73728, while the sum is 42.

The square root of 122886681 is about 11085.4265141220. The cubic root of 122886681 is about 497.1662109544.

The spelling of 122886681 in words is "one hundred twenty-two million, eight hundred eighty-six thousand, six hundred eighty-one".