123340225 has 12 divisors (see below), whose sum is σ = 153215020. Its totient is φ = 98496000.

The previous prime is 123340201. The next prime is 123340271. The reversal of 123340225 is 522043321.

It can be written as a sum of positive squares in 6 ways, for example, as 5574321 + 117765904 = 2361^2 + 10852^2 .

It is not a de Polignac number, because 123340225 - 2¹⁹ = 122815937 is a prime.

It is a super-2 number, since 2×123340225² = 30425622206101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123340196 and 123340205.

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, 10921 + ... + 19129.

Almost surely, 2^123340225 is an apocalyptic number.

It is an amenable number.

123340225 is a deficient number, since it is larger than the sum of its proper divisors (29874795).

123340225 is an equidigital number, since it uses as much as digits as its factorization.

123340225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8820 (or 8815 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 123340225 is about 11105.8644418163. The cubic root of 123340225 is about 497.7770987319. Note that the first 3 decimals are identical.

Adding to 123340225 its reverse (522043321), we get a palindrome (645383546).

The spelling of 123340225 in words is "one hundred twenty-three million, three hundred forty thousand, two hundred twenty-five".