112542961 has 4 divisors (see below), whose sum is σ = 113026212. Its totient is φ = 112059712.

The previous prime is 112542943. The next prime is 112542973. The reversal of 112542961 is 169245211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30459361 + 82083600 = 5519^2 + 9060^2 .

It is a cyclic number.

It is not a de Polignac number, because 112542961 - 2²¹ = 110445809 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112542761) 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, 241276 + ... + 241741.

It is an arithmetic number, because the mean of its divisors is an integer number (28256553).

Almost surely, 2^112542961 is an apocalyptic number.

It is an amenable number.

112542961 is a deficient number, since it is larger than the sum of its proper divisors (483251).

112542961 is an equidigital number, since it uses as much as digits as its factorization.

112542961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483250.

The product of its digits is 4320, while the sum is 31.

The square root of 112542961 is about 10608.6267254532. The cubic root of 112542961 is about 482.8061339483.

The spelling of 112542961 in words is "one hundred twelve million, five hundred forty-two thousand, nine hundred sixty-one".