122346378 has 96 divisors (see below), whose sum is σ = 338712192. Its totient is φ = 30988800.

The previous prime is 122346373. The next prime is 122346401. The reversal of 122346378 is 873643221.

It is a happy number.

122346378 is a `hidden beast` number, since 12 + 2 + 3 + 4 + 637 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (122346373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55750 + ... + 57902.

It is an arithmetic number, because the mean of its divisors is an integer number (3528252).

Almost surely, 2^122346378 is an apocalyptic number.

122346378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122346378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169356096).

122346378 is an abundant number, since it is smaller than the sum of its proper divisors (216365814).

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

122346378 is a wasteful number, since it uses less digits than its factorization.

122346378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 2217 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 122346378 is about 11061.0296989024. The cubic root of 122346378 is about 496.4365006125.

Adding to 122346378 its reverse (873643221), we get a palindrome (995989599).

The spelling of 122346378 in words is "one hundred twenty-two million, three hundred forty-six thousand, three hundred seventy-eight".