112828281 has 16 divisors (see below), whose sum is σ = 154879488. Its totient is φ = 73008000.

The previous prime is 112828279. The next prime is 112828297. The reversal of 112828281 is 182828211.

It is not a de Polignac number, because 112828281 - 2¹ = 112828279 is a prime.

It is a super-2 number, since 2×112828281² = 25460441986829922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112828181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56856 + ... + 58806.

It is an arithmetic number, because the mean of its divisors is an integer number (9679968).

Almost surely, 2^112828281 is an apocalyptic number.

It is an amenable number.

112828281 is a deficient number, since it is larger than the sum of its proper divisors (42051207).

112828281 is a wasteful number, since it uses less digits than its factorization.

112828281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512.

The product of its digits is 4096, while the sum is 33.

The square root of 112828281 is about 10622.0657595404. The cubic root of 112828281 is about 483.2137945626.

Multiplying 112828281 by its sum of digits (33), we get a palindrome (3723333273).

The spelling of 112828281 in words is "one hundred twelve million, eight hundred twenty-eight thousand, two hundred eighty-one".