112840666 has 16 divisors (see below), whose sum is σ = 170692200. Its totient is φ = 55945728.

The previous prime is 112840661. The next prime is 112840669. The reversal of 112840666 is 666048211.

It can be written as a sum of positive squares in 4 ways, for example, as 83192641 + 29648025 = 9121^2 + 5445^2 .

It is not an unprimeable number, because it can be changed into a prime (112840661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198030 + ... + 198598.

Almost surely, 2^112840666 is an apocalyptic number.

112840666 is a deficient number, since it is larger than the sum of its proper divisors (57851534).

112840666 is a wasteful number, since it uses less digits than its factorization.

112840666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 112840666 is about 10622.6487280715. The cubic root of 112840666 is about 483.2314744795.

Adding to 112840666 its reverse (666048211), we get a palindrome (778888877).

The spelling of 112840666 in words is "one hundred twelve million, eight hundred forty thousand, six hundred sixty-six".