112400665 has 16 divisors (see below), whose sum is σ = 150267600. Its totient is φ = 80140032.

The previous prime is 112400579. The next prime is 112400669. The reversal of 112400665 is 566004211.

It can be written as a sum of positive squares in 8 ways, for example, as 6290064 + 106110601 = 2508^2 + 10301^2 .

It is a cyclic number.

It is not a de Polignac number, because 112400665 - 2⁷ = 112400537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112400669) 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 15 ways as a sum of consecutive naturals, for example, 27930 + ... + 31699.

It is an arithmetic number, because the mean of its divisors is an integer number (9391725).

Almost surely, 2^112400665 is an apocalyptic number.

It is an amenable number.

112400665 is a deficient number, since it is larger than the sum of its proper divisors (37866935).

112400665 is a wasteful number, since it uses less digits than its factorization.

112400665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59676.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 112400665 is about 10601.9179868550. The cubic root of 112400665 is about 482.6025661847.

Adding to 112400665 its reverse (566004211), we get a palindrome (678404876).

The spelling of 112400665 in words is "one hundred twelve million, four hundred thousand, six hundred sixty-five".