1381108 has 12 divisors (see below), whose sum is σ = 2430820. Its totient is φ = 686592.

The previous prime is 1381103. The next prime is 1381109. The reversal of 1381108 is 8011831.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 501264 = 938^2 + 708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381103) 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, 123 + ... + 1666.

2^1381108 is an apocalyptic number.

It is an amenable number.

1381108 is a deficient number, since it is larger than the sum of its proper divisors (1049712).

1381108 is a wasteful number, since it uses less digits than its factorization.

1381108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1381108 is about 1175.2055139421. The cubic root of 1381108 is about 111.3634167173.

Adding to 1381108 its reverse (8011831), we get a palindrome (9392939).

The spelling of 1381108 in words is "one million, three hundred eighty-one thousand, one hundred eight".