122268678 has 16 divisors (see below), whose sum is σ = 279471360. Its totient is φ = 34933896.

The previous prime is 122268677. The next prime is 122268691. The reversal of 122268678 is 876862221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2911159 = 122268678 / (1 + 2 + 2 + 2 + 6 + 8 + 6 + 7 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122268673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455538 + ... + 1455621.

It is an arithmetic number, because the mean of its divisors is an integer number (17466960).

Almost surely, 2^122268678 is an apocalyptic number.

122268678 is an abundant number, since it is smaller than the sum of its proper divisors (157202682).

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

122268678 is a wasteful number, since it uses less digits than its factorization.

122268678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911171.

The product of its digits is 129024, while the sum is 42.

The square root of 122268678 is about 11057.5168098448. The cubic root of 122268678 is about 496.3313857048.

The spelling of 122268678 in words is "one hundred twenty-two million, two hundred sixty-eight thousand, six hundred seventy-eight".