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112123 = 1110193
BaseRepresentation
bin11011010111111011
312200210201
4123113323
512041443
62223031
7644614
oct332773
9180721
10112123
1177270
1254a77
133c05b
142cc0b
152334d
hex1b5fb

112123 has 4 divisors (see below), whose sum is σ = 122328. Its totient is φ = 101920.

The previous prime is 112121. The next prime is 112129. The reversal of 112123 is 321211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321211 = 1129201.

It is a cyclic number.

It is not a de Polignac number, because 112123 - 21 = 112121 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (112121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5086 + ... + 5107.

It is an arithmetic number, because the mean of its divisors is an integer number (30582).

2112123 is an apocalyptic number.

112123 is a deficient number, since it is larger than the sum of its proper divisors (10205).

112123 is a wasteful number, since it uses less digits than its factorization.

112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10204.

The product of its digits is 12, while the sum is 10.

The square root of 112123 is about 334.8477265863. The cubic root of 112123 is about 48.2204845123.

Adding to 112123 its reverse (321211), we get a palindrome (433334).

The spelling of 112123 in words is "one hundred twelve thousand, one hundred twenty-three", and thus it is an iban number.

Divisors: 1 11 10193 112123