112001123 has 4 divisors (see below), whose sum is σ = 120616608. Its totient is φ = 103385640.

The previous prime is 112001107. The next prime is 112001129. The reversal of 112001123 is 321100211.

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

It is a cyclic number.

It is not a de Polignac number, because 112001123 - 2⁴ = 112001107 is a prime.

It is a super-2 number, since 2×112001123² = 25088503106522258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112001129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4307723 + ... + 4307748.

It is an arithmetic number, because the mean of its divisors is an integer number (30154152).

Almost surely, 2^112001123 is an apocalyptic number.

112001123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

112001123 is a deficient number, since it is larger than the sum of its proper divisors (8615485).

112001123 is an equidigital number, since it uses as much as digits as its factorization.

112001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615484.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 112001123 is about 10583.0583008883. The cubic root of 112001123 is about 482.0300638950.

Adding to 112001123 its reverse (321100211), we get a palindrome (433101334).

The spelling of 112001123 in words is "one hundred twelve million, one thousand, one hundred twenty-three".