1111149 has 12 divisors (see below), whose sum is σ = 1728636. Its totient is φ = 683712.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111149 is 9411111.

It can be written as a sum of positive squares in 2 ways, for example, as 101124 + 1010025 = 318^2 + 1005^2 .

It is not a de Polignac number, because 1111149 - 2⁷ = 1111021 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4632 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (144053).

2^1111149 is an apocalyptic number.

It is an amenable number.

1111149 is a deficient number, since it is larger than the sum of its proper divisors (617487).

1111149 is a wasteful number, since it uses less digits than its factorization.

1111149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9516 (or 9513 counting only the distinct ones).

The product of its digits is 36, while the sum is 18.

The square root of 1111149 is about 1054.1105255143. The cubic root of 1111149 is about 103.5755941476.

The spelling of 1111149 in words is "one million, one hundred eleven thousand, one hundred forty-nine".