123201275 has 12 divisors (see below), whose sum is σ = 155051832. Its totient is φ = 97088640.

The previous prime is 123201257. The next prime is 123201289. The reversal of 123201275 is 572102321.

It is a happy number.

It is not a de Polignac number, because 123201275 - 2¹⁰ = 123200251 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 123201275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35102 + ... + 38451.

It is an arithmetic number, because the mean of its divisors is an integer number (12920986).

Almost surely, 2^123201275 is an apocalyptic number.

123201275 is a deficient number, since it is larger than the sum of its proper divisors (31850557).

123201275 is an equidigital number, since it uses as much as digits as its factorization.

123201275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73630 (or 73625 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 123201275 is about 11099.6069750239. The cubic root of 123201275 is about 497.5901034583.

Adding to 123201275 its reverse (572102321), we get a palindrome (695303596).

The spelling of 123201275 in words is "one hundred twenty-three million, two hundred one thousand, two hundred seventy-five".