12123601 has 8 divisors (see below), whose sum is σ = 14670720. Its totient is φ = 9780288.

The previous prime is 12123589. The next prime is 12123607. The reversal of 12123601 is 10632121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12123601 - 2⁵ = 12123569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50821 + ... + 51058.

It is an arithmetic number, because the mean of its divisors is an integer number (1833840).

Almost surely, 2^12123601 is an apocalyptic number.

It is an amenable number.

12123601 is a deficient number, since it is larger than the sum of its proper divisors (2547119).

12123601 is a wasteful number, since it uses less digits than its factorization.

12123601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101903.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12123601 is about 3481.8961788083. The cubic root of 12123601 is about 229.7262085502.

Adding to 12123601 its reverse (10632121), we get a palindrome (22755722).

The spelling of 12123601 in words is "twelve million, one hundred twenty-three thousand, six hundred one".