123004221 has 8 divisors (see below), whose sum is σ = 164057760. Its totient is φ = 81976752.

The previous prime is 123004181. The next prime is 123004237. The reversal of 123004221 is 122400321.

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

It is not a de Polignac number, because 123004221 - 2⁹ = 123003709 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123004221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123004261) 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, 12066 + ... + 19788.

It is an arithmetic number, because the mean of its divisors is an integer number (20507220).

Almost surely, 2^123004221 is an apocalyptic number.

It is an amenable number.

123004221 is a deficient number, since it is larger than the sum of its proper divisors (41053539).

123004221 is an equidigital number, since it uses as much as digits as its factorization.

123004221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13035.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 123004221 is about 11090.7268021532. The cubic root of 123004221 is about 497.3246721058.

Adding to 123004221 its reverse (122400321), we get a palindrome (245404542).

The spelling of 123004221 in words is "one hundred twenty-three million, four thousand, two hundred twenty-one".