112501665 has 48 divisors (see below), whose sum is σ = 207792000. Its totient is φ = 56111616.

The previous prime is 112501661. The next prime is 112501681. The reversal of 112501665 is 566105211.

It is a happy number.

It is not a de Polignac number, because 112501665 - 2² = 112501661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112501661) 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 47 ways as a sum of consecutive naturals, for example, 151866 + ... + 152604.

It is an arithmetic number, because the mean of its divisors is an integer number (4329000).

Almost surely, 2^112501665 is an apocalyptic number.

112501665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112501665 is a deficient number, since it is larger than the sum of its proper divisors (95290335).

112501665 is a wasteful number, since it uses less digits than its factorization.

112501665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 112501665 is about 10606.6802063605. The cubic root of 112501665 is about 482.7470738315.

Adding to 112501665 its reverse (566105211), we get a palindrome (678606876).

The spelling of 112501665 in words is "one hundred twelve million, five hundred one thousand, six hundred sixty-five".