1111144 has 8 divisors (see below), whose sum is σ = 2083410. Its totient is φ = 555568.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111144 is 4411111.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 131044 = 990^2 + 362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69439 + ... + 69454.

2^1111144 is an apocalyptic number.

It is an amenable number.

1111144 is a deficient number, since it is larger than the sum of its proper divisors (972266).

1111144 is a wasteful number, since it uses less digits than its factorization.

1111144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138899 (or 138895 counting only the distinct ones).

The product of its digits is 16, while the sum is 13.

The square root of 1111144 is about 1054.1081538438. The cubic root of 1111144 is about 103.5754387893.

Adding to 1111144 its reverse (4411111), we get a palindrome (5522255).

It can be divided in two parts, 11111 and 44, that multiplied together give a palindrome (488884).

The spelling of 1111144 in words is "one million, one hundred eleven thousand, one hundred forty-four".