123253225 has 6 divisors (see below), whose sum is σ = 152834030. Its totient is φ = 98602560.

The previous prime is 123253211. The next prime is 123253243. The reversal of 123253225 is 522352321.

It can be written as a sum of positive squares in 3 ways, for example, as 9809424 + 113443801 = 3132^2 + 10651^2 .

It is not a de Polignac number, because 123253225 - 2⁹ = 123252713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4930129 = 123253225 / (1 + 2 + 3 + 2 + 5 + 3 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 123253225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2465040 + ... + 2465089.

Almost surely, 2^123253225 is an apocalyptic number.

It is an amenable number.

123253225 is a deficient number, since it is larger than the sum of its proper divisors (29580805).

123253225 is an equidigital number, since it uses as much as digits as its factorization.

123253225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930139 (or 4930134 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 123253225 is about 11101.9469013322. The cubic root of 123253225 is about 497.6600328574.

The spelling of 123253225 in words is "one hundred twenty-three million, two hundred fifty-three thousand, two hundred twenty-five".