122378 has 8 divisors (see below), whose sum is σ = 187968. Its totient is φ = 59724.

The previous prime is 122363. The next prime is 122387. The reversal of 122378 is 873221.

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

It is a plaindrome in base 10.

It is an unprimeable number.

122378 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626 + ... + 797.

It is an arithmetic number, because the mean of its divisors is an integer number (23496).

2¹²²³⁷⁸ is an apocalyptic number.

122378 is a deficient number, since it is larger than the sum of its proper divisors (65590).

122378 is a wasteful number, since it uses less digits than its factorization.

122378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468.

The product of its digits is 672, while the sum is 23.

The square root of 122378 is about 349.8256708705. The cubic root of 122378 is about 49.6479267068.

Adding to 122378 its reverse (873221), we get a palindrome (995599).

The spelling of 122378 in words is "one hundred twenty-two thousand, three hundred seventy-eight".