112021123 has 4 divisors (see below), whose sum is σ = 112042360. Its totient is φ = 111999888.

The previous prime is 112021121. The next prime is 112021127. The reversal of 112021123 is 321120211.

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 112021123 - 2¹ = 112021121 is a prime.

It is a super-2 number, since 2×112021123² = 25097463996362258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112021121) 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, 4036 + ... + 15502.

It is an arithmetic number, because the mean of its divisors is an integer number (28010590).

Almost surely, 2^112021123 is an apocalyptic number.

112021123 is a deficient number, since it is larger than the sum of its proper divisors (21237).

112021123 is an equidigital number, since it uses as much as digits as its factorization.

112021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21236.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 112021123 is about 10584.0031651545. The cubic root of 112021123 is about 482.0587541653.

Adding to 112021123 its reverse (321120211), we get a palindrome (433141334).

The spelling of 112021123 in words is "one hundred twelve million, twenty-one thousand, one hundred twenty-three".