1391106 has 16 divisors (see below), whose sum is σ = 2841984. Its totient is φ = 453744.

The previous prime is 1391087. The next prime is 1391113. The reversal of 1391106 is 6011931.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2185 + ... + 2748.

It is an arithmetic number, because the mean of its divisors is an integer number (177624).

2^1391106 is an apocalyptic number.

1391106 is an abundant number, since it is smaller than the sum of its proper divisors (1450878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1391106 is a wasteful number, since it uses less digits than its factorization.

1391106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1391106 is about 1179.4515674668. The cubic root of 1391106 is about 111.6314950740.

It can be divided in two parts, 13 and 91106, that added together give a palindrome (91119).

The spelling of 1391106 in words is "one million, three hundred ninety-one thousand, one hundred six".