378111 has 4 divisors (see below), whose sum is σ = 504152. Its totient is φ = 252072.

The previous prime is 378101. The next prime is 378127. The reversal of 378111 is 111873.

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

It is not a de Polignac number, because 378111 - 2⁹ = 377599 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378101) 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 3 ways as a sum of consecutive naturals, for example, 63016 + ... + 63021.

It is an arithmetic number, because the mean of its divisors is an integer number (126038).

2³⁷⁸¹¹¹ is an apocalyptic number.

378111 is a deficient number, since it is larger than the sum of its proper divisors (126041).

378111 is a wasteful number, since it uses less digits than its factorization.

378111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126040.

The product of its digits is 168, while the sum is 21.

The square root of 378111 is about 614.9073100883. The cubic root of 378111 is about 72.3113446345.

Adding to 378111 its reverse (111873), we get a palindrome (489984).

The spelling of 378111 in words is "three hundred seventy-eight thousand, one hundred eleven".