112019728 has 10 divisors (see below), whose sum is σ = 217038254. Its totient is φ = 56009856.

The previous prime is 112019723. The next prime is 112019737. The reversal of 112019728 is 827910211.

It can be written as a sum of positive squares in only one way, i.e., 110082064 + 1937664 = 10492^2 + 1392^2 .

It is a super-2 number, since 2×112019728² = 25096838922387968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112019728.

It is not an unprimeable number, because it can be changed into a prime (112019723) 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 as a sum of consecutive naturals, namely, 3500601 + ... + 3500632.

Almost surely, 2^112019728 is an apocalyptic number.

It is an amenable number.

112019728 is a deficient number, since it is larger than the sum of its proper divisors (105018526).

112019728 is an equidigital number, since it uses as much as digits as its factorization.

112019728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001241 (or 7001235 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 112019728 is about 10583.9372636085. The cubic root of 112019728 is about 482.0567531298.

Adding to 112019728 its reverse (827910211), we get a palindrome (939929939).

The spelling of 112019728 in words is "one hundred twelve million, nineteen thousand, seven hundred twenty-eight".