122378395 has 4 divisors (see below), whose sum is σ = 146854080. Its totient is φ = 97902712.

The previous prime is 122378353. The next prime is 122378407. The reversal of 122378395 is 593873221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122378395 - 2¹⁵ = 122345627 is a prime.

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, 12237835 + ... + 12237844.

It is an arithmetic number, because the mean of its divisors is an integer number (36713520).

Almost surely, 2^122378395 is an apocalyptic number.

122378395 is a deficient number, since it is larger than the sum of its proper divisors (24475685).

122378395 is an equidigital number, since it uses as much as digits as its factorization.

122378395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24475684.

The product of its digits is 90720, while the sum is 40.

The square root of 122378395 is about 11062.4768926312. The cubic root of 122378395 is about 496.4798012300.

The spelling of 122378395 in words is "one hundred twenty-two million, three hundred seventy-eight thousand, three hundred ninety-five".