122794278 has 16 divisors (see below), whose sum is σ = 246300480. Its totient is φ = 40812776.

The previous prime is 122794271. The next prime is 122794313. The reversal of 122794278 is 872497221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122794271) 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, 27408 + ... + 31571.

It is an arithmetic number, because the mean of its divisors is an integer number (15393780).

Almost surely, 2^122794278 is an apocalyptic number.

122794278 is an abundant number, since it is smaller than the sum of its proper divisors (123506202).

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

122794278 is a wasteful number, since it uses less digits than its factorization.

122794278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59331.

The product of its digits is 112896, while the sum is 42.

The square root of 122794278 is about 11081.2579610801. The cubic root of 122794278 is about 497.0415672084.

The spelling of 122794278 in words is "one hundred twenty-two million, seven hundred ninety-four thousand, two hundred seventy-eight".