112281947 has 4 divisors (see below), whose sum is σ = 112473816. Its totient is φ = 112090080.

The previous prime is 112281943. The next prime is 112281959. The reversal of 112281947 is 749182211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749182211 = 641 ⋅1168771.

It is a cyclic number.

It is not a de Polignac number, because 112281947 - 2² = 112281943 is a prime.

It is a super-2 number, since 2×112281947² = 25214471244221618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112281941) 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, 95054 + ... + 96227.

It is an arithmetic number, because the mean of its divisors is an integer number (28118454).

Almost surely, 2^112281947 is an apocalyptic number.

112281947 is a deficient number, since it is larger than the sum of its proper divisors (191869).

112281947 is an equidigital number, since it uses as much as digits as its factorization.

112281947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191868.

The product of its digits is 8064, while the sum is 35.

The square root of 112281947 is about 10596.3176150963. The cubic root of 112281947 is about 482.4325974556.

The spelling of 112281947 in words is "one hundred twelve million, two hundred eighty-one thousand, nine hundred forty-seven".