12075123 has 4 divisors (see below), whose sum is σ = 16100168. Its totient is φ = 8050080.

The previous prime is 12075113. The next prime is 12075137. The reversal of 12075123 is 32157021.

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

It is not a de Polignac number, because 12075123 - 2⁶ = 12075059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12075123.

It is not an unprimeable number, because it can be changed into a prime (12075103) 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, 2012518 + ... + 2012523.

It is an arithmetic number, because the mean of its divisors is an integer number (4025042).

Almost surely, 2^12075123 is an apocalyptic number.

12075123 is a deficient number, since it is larger than the sum of its proper divisors (4025045).

12075123 is an equidigital number, since it uses as much as digits as its factorization.

12075123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025044.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12075123 is about 3474.9277690335. The cubic root of 12075123 is about 229.4196015152.

The spelling of 12075123 in words is "twelve million, seventy-five thousand, one hundred twenty-three".