112509123 has 16 divisors (see below), whose sum is σ = 157372416. Its totient is φ = 71360960.

The previous prime is 112509121. The next prime is 112509139. The reversal of 112509123 is 321905211.

It is a cyclic number.

It is not a de Polignac number, because 112509123 - 2¹ = 112509121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112509093 and 112509102.

It is not an unprimeable number, because it can be changed into a prime (112509121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8911 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (9835776).

Almost surely, 2^112509123 is an apocalyptic number.

112509123 is a deficient number, since it is larger than the sum of its proper divisors (44863293).

112509123 is a wasteful number, since it uses less digits than its factorization.

112509123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 112509123 is about 10607.0317714241. The cubic root of 112509123 is about 482.7577410755.

The spelling of 112509123 in words is "one hundred twelve million, five hundred nine thousand, one hundred twenty-three".