1409111 has 8 divisors (see below), whose sum is σ = 1566864. Its totient is φ = 1256320.

The previous prime is 1409101. The next prime is 1409117. The reversal of 1409111 is 1119041.

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

It is a cyclic number.

It is not a de Polignac number, because 1409111 - 2¹⁰ = 1408087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1409111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (195858).

2^1409111 is an apocalyptic number.

1409111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1409111 is a deficient number, since it is larger than the sum of its proper divisors (157753).

1409111 is a wasteful number, since it uses less digits than its factorization.

1409111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1409111 is about 1187.0598131518. The cubic root of 1409111 is about 112.1110452646. Note that the first 3 decimals are identical.

The spelling of 1409111 in words is "one million, four hundred nine thousand, one hundred eleven".