12123001 has 8 divisors (see below), whose sum is σ = 13800384. Its totient is φ = 10541520.

The previous prime is 12122987. The next prime is 12123017. The reversal of 12123001 is 10032121.

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

It is not a de Polignac number, because 12123001 - 2⁹ = 12122489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123101) 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, 23706 + ... + 24211.

It is an arithmetic number, because the mean of its divisors is an integer number (1725048).

Almost surely, 2^12123001 is an apocalyptic number.

12123001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12123001 is a deficient number, since it is larger than the sum of its proper divisors (1677383).

12123001 is a wasteful number, since it uses less digits than its factorization.

12123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47951.

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

The square root of 12123001 is about 3481.8100177925. The cubic root of 12123001 is about 229.7224187521.

Adding to 12123001 its reverse (10032121), we get a palindrome (22155122).

The spelling of 12123001 in words is "twelve million, one hundred twenty-three thousand, one".