1406111 has 16 divisors (see below), whose sum is σ = 1696320. Its totient is φ = 1140480.

The previous prime is 1406101. The next prime is 1406159. The reversal of 1406111 is 1116041.

It is a cyclic number.

It is not a de Polignac number, because 1406111 - 2¹⁰ = 1405087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406101) 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 15 ways as a sum of consecutive naturals, for example, 15755 + ... + 15843.

It is an arithmetic number, because the mean of its divisors is an integer number (106020).

2^1406111 is an apocalyptic number.

1406111 is a deficient number, since it is larger than the sum of its proper divisors (290209).

1406111 is an equidigital number, since it uses as much as digits as its factorization.

1406111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1406111 is about 1185.7955135688. The cubic root of 1406111 is about 112.0314271926.

The spelling of 1406111 in words is "one million, four hundred six thousand, one hundred eleven".