1112109 has 16 divisors (see below), whose sum is σ = 1564992. Its totient is φ = 701568.

The previous prime is 1112107. The next prime is 1112113. The reversal of 1112109 is 9012111.

It is not a de Polignac number, because 1112109 - 2¹ = 1112107 is a prime.

1112109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4657 + ... + 4889.

It is an arithmetic number, because the mean of its divisors is an integer number (97812).

2^1112109 is an apocalyptic number.

It is an amenable number.

1112109 is a deficient number, since it is larger than the sum of its proper divisors (452883).

1112109 is a wasteful number, since it uses less digits than its factorization.

1112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 1112109 is about 1054.5657874215. The cubic root of 1112109 is about 103.6054143153.

It can be divided in two parts, 1112 and 109, that added together give a palindrome (1221).

The spelling of 1112109 in words is "one million, one hundred twelve thousand, one hundred nine".