122686855 has 4 divisors (see below), whose sum is σ = 147224232. Its totient is φ = 98149480.

The previous prime is 122686847. The next prime is 122686867. The reversal of 122686855 is 558686221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122686855 - 2³ = 122686847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12268681 + ... + 12268690.

It is an arithmetic number, because the mean of its divisors is an integer number (36806058).

Almost surely, 2^122686855 is an apocalyptic number.

122686855 is a deficient number, since it is larger than the sum of its proper divisors (24537377).

122686855 is an equidigital number, since it uses as much as digits as its factorization.

122686855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24537376.

The product of its digits is 230400, while the sum is 43.

The square root of 122686855 is about 11076.4098425437. The cubic root of 122686855 is about 496.8965841394.

The spelling of 122686855 in words is "one hundred twenty-two million, six hundred eighty-six thousand, eight hundred fifty-five".