1024200112 has 40 divisors (see below), whose sum is σ = 2143015616. Its totient is φ = 471384576.

The previous prime is 1024200109. The next prime is 1024200137. The reversal of 1024200112 is 2110024201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1024200092 and 1024200101.

It is an unprimeable number.

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, 69628 + ... + 83044.

Almost surely, 2^1024200112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1024200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071507808).

1024200112 is an abundant number, since it is smaller than the sum of its proper divisors (1118815504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1024200112 is a wasteful number, since it uses less digits than its factorization.

1024200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13805 (or 13799 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1024200112 is about 32003.1265972561. The cubic root of 1024200112 is about 1008.0024932751.

Adding to 1024200112 its reverse (2110024201), we get a palindrome (3134224313).

The spelling of 1024200112 in words is "one billion, twenty-four million, two hundred thousand, one hundred twelve".