112190657 has 4 divisors (see below), whose sum is σ = 113074176. Its totient is φ = 111307140.

The previous prime is 112190621. The next prime is 112190671. The reversal of 112190657 is 756091211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 756091211 = 107 ⋅7066273.

It is a cyclic number.

It is not a de Polignac number, because 112190657 - 2¹² = 112186561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112190257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441569 + ... + 441822.

It is an arithmetic number, because the mean of its divisors is an integer number (28268544).

Almost surely, 2^112190657 is an apocalyptic number.

It is an amenable number.

112190657 is a deficient number, since it is larger than the sum of its proper divisors (883519).

112190657 is an equidigital number, since it uses as much as digits as its factorization.

112190657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883518.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 112190657 is about 10592.0091106456. The cubic root of 112190657 is about 482.3018159298.

The spelling of 112190657 in words is "one hundred twelve million, one hundred ninety thousand, six hundred fifty-seven".