111134644 has 12 divisors (see below), whose sum is σ = 205926084. Its totient is φ = 52298624.

The previous prime is 111134623. The next prime is 111134651. The reversal of 111134644 is 446431111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67732900 + 43401744 = 8230^2 + 6588^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817099 + ... + 817234.

It is an arithmetic number, because the mean of its divisors is an integer number (17160507).

Almost surely, 2^111134644 is an apocalyptic number.

It is an amenable number.

111134644 is a deficient number, since it is larger than the sum of its proper divisors (94791440).

111134644 is a wasteful number, since it uses less digits than its factorization.

111134644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634354 (or 1634352 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 111134644 is about 10542.0417377280. The cubic root of 111134644 is about 480.7837946722.

Adding to 111134644 its reverse (446431111), we get a palindrome (557565755).

The spelling of 111134644 in words is "one hundred eleven million, one hundred thirty-four thousand, six hundred forty-four".