123045225 has 24 divisors (see below), whose sum is σ = 203841120. Its totient is φ = 65493120.

The previous prime is 123045217. The next prime is 123045227. The reversal of 123045225 is 522540321.

It is not a de Polignac number, because 123045225 - 2³ = 123045217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123045195 and 123045204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123045227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44946 + ... + 47604.

It is an arithmetic number, because the mean of its divisors is an integer number (8493380).

Almost surely, 2^123045225 is an apocalyptic number.

123045225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123045225 is a deficient number, since it is larger than the sum of its proper divisors (80795895).

123045225 is a wasteful number, since it uses less digits than its factorization.

123045225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289 (or 3284 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 123045225 is about 11092.5752194880. The cubic root of 123045225 is about 497.3799277578.

Adding to 123045225 its reverse (522540321), we get a palindrome (645585546).

The spelling of 123045225 in words is "one hundred twenty-three million, forty-five thousand, two hundred twenty-five".