103115225 has 6 divisors (see below), whose sum is σ = 127862910. Its totient is φ = 82492160.

The previous prime is 103115153. The next prime is 103115231. The reversal of 103115225 is 522511301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21049744 + 82065481 = 4588^2 + 9059^2 .

It is not a de Polignac number, because 103115225 - 2⁸ = 103114969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103115197 and 103115206.

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, 2062280 + ... + 2062329.

It is an arithmetic number, because the mean of its divisors is an integer number (21310485).

Almost surely, 2^103115225 is an apocalyptic number.

It is an amenable number.

103115225 is a deficient number, since it is larger than the sum of its proper divisors (24747685).

103115225 is an equidigital number, since it uses as much as digits as its factorization.

103115225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124619 (or 4124614 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 103115225 is about 10154.5667066596. The cubic root of 103115225 is about 468.9295466264.

Adding to 103115225 its reverse (522511301), we get a palindrome (625626526).

The spelling of 103115225 in words is "one hundred three million, one hundred fifteen thousand, two hundred twenty-five".