111444730 has 16 divisors (see below), whose sum is σ = 201834144. Its totient is φ = 44303760.

The previous prime is 111444727. The next prime is 111444731. The reversal of 111444730 is 37444111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111444695 and 111444704.

It is not an unprimeable number, because it can be changed into a prime (111444731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32556 + ... + 35815.

It is an arithmetic number, because the mean of its divisors is an integer number (12614634).

Almost surely, 2^111444730 is an apocalyptic number.

111444730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111444730 is a deficient number, since it is larger than the sum of its proper divisors (90389414).

111444730 is a wasteful number, since it uses less digits than its factorization.

111444730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68541.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 111444730 is about 10556.7386062174. The cubic root of 111444730 is about 481.2305376961.

Adding to 111444730 its reverse (37444111), we get a palindrome (148888841).

The spelling of 111444730 in words is "one hundred eleven million, four hundred forty-four thousand, seven hundred thirty".