1378106 has 8 divisors (see below), whose sum is σ = 2106324. Its totient is φ = 676000.

The previous prime is 1378103. The next prime is 1378129. The reversal of 1378106 is 6018731.

It can be written as a sum of positive squares in 2 ways, for example, as 1311025 + 67081 = 1145^2 + 259^2 .

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

It is a super-2 number, since 2×1378106² = 3798352294472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1378103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6395 + ... + 6606.

2^1378106 is an apocalyptic number.

1378106 is a deficient number, since it is larger than the sum of its proper divisors (728218).

1378106 is a wasteful number, since it uses less digits than its factorization.

1378106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13056.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1378106 is about 1173.9275957230. The cubic root of 1378106 is about 111.2826710424.

The spelling of 1378106 in words is "one million, three hundred seventy-eight thousand, one hundred six".