112603661 has 4 divisors (see below), whose sum is σ = 113490432. Its totient is φ = 111716892.

The previous prime is 112603643. The next prime is 112603679. The reversal of 112603661 is 166306211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (112603643) and next prime (112603679).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112603661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112603661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112609661) 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 3 ways as a sum of consecutive naturals, for example, 443195 + ... + 443448.

It is an arithmetic number, because the mean of its divisors is an integer number (28372608).

Almost surely, 2^112603661 is an apocalyptic number.

It is an amenable number.

112603661 is a deficient number, since it is larger than the sum of its proper divisors (886771).

112603661 is an equidigital number, since it uses as much as digits as its factorization.

112603661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886770.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 112603661 is about 10611.4872190471. The cubic root of 112603661 is about 482.8929187780.

Adding to 112603661 its reverse (166306211), we get a palindrome (278909872).

The spelling of 112603661 in words is "one hundred twelve million, six hundred three thousand, six hundred sixty-one".