123201201 has 4 divisors (see below), whose sum is σ = 164268272. Its totient is φ = 82134132.

The previous prime is 123201167. The next prime is 123201233. The reversal of 123201201 is 102102321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 123201201 - 2⁹ = 123200689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123201901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20533531 + ... + 20533536.

It is an arithmetic number, because the mean of its divisors is an integer number (41067068).

Almost surely, 2^123201201 is an apocalyptic number.

It is an amenable number.

123201201 is a deficient number, since it is larger than the sum of its proper divisors (41067071).

123201201 is an equidigital number, since it uses as much as digits as its factorization.

123201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41067070.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 123201201 is about 11099.6036415721. The cubic root of 123201201 is about 497.5900038336.

Adding to 123201201 its reverse (102102321), we get a palindrome (225303522).

The spelling of 123201201 in words is "one hundred twenty-three million, two hundred one thousand, two hundred one".