122378394 has 8 divisors (see below), whose sum is σ = 244756800. Its totient is φ = 40792796.

The previous prime is 122378353. The next prime is 122378407. The reversal of 122378394 is 493873221.

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

122378394 is an admirable 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, 10198194 + ... + 10198205.

It is an arithmetic number, because the mean of its divisors is an integer number (30594600).

Almost surely, 2^122378394 is an apocalyptic number.

122378394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122378394 is a wasteful number, since it uses less digits than its factorization.

122378394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20396404.

The product of its digits is 72576, while the sum is 39.

The square root of 122378394 is about 11062.4768474334. The cubic root of 122378394 is about 496.4797998777.

The spelling of 122378394 in words is "one hundred twenty-two million, three hundred seventy-eight thousand, three hundred ninety-four".