112701661 has 8 divisors (see below), whose sum is σ = 115686648. Its totient is φ = 109728000.

The previous prime is 112701613. The next prime is 112701671. The reversal of 112701661 is 166107211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2325625 + 110376036 = 1525^2 + 10506^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112701661 - 2¹⁵ = 112668893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112701671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19641 + ... + 24721.

It is an arithmetic number, because the mean of its divisors is an integer number (14460831).

Almost surely, 2^112701661 is an apocalyptic number.

It is an amenable number.

112701661 is a deficient number, since it is larger than the sum of its proper divisors (2984987).

112701661 is an equidigital number, since it uses as much as digits as its factorization.

112701661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 112701661 is about 10616.1038521672. The cubic root of 112701661 is about 483.0329668711.

Adding to 112701661 its reverse (166107211), we get a palindrome (278808872).

The spelling of 112701661 in words is "one hundred twelve million, seven hundred one thousand, six hundred sixty-one".