103321025 has 12 divisors (see below), whose sum is σ = 131244204. Its totient is φ = 80640000.

The previous prime is 103321021. The next prime is 103321033. The reversal of 103321025 is 520123301.

It can be written as a sum of positive squares in 6 ways, for example, as 54656449 + 48664576 = 7393^2 + 6976^2 .

It is not a de Polignac number, because 103321025 - 2² = 103321021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103320994 and 103321012.

It is not an unprimeable number, because it can be changed into a prime (103321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49376 + ... + 51425.

It is an arithmetic number, because the mean of its divisors is an integer number (10937017).

Almost surely, 2^103321025 is an apocalyptic number.

It is an amenable number.

103321025 is a deficient number, since it is larger than the sum of its proper divisors (27923179).

103321025 is a wasteful number, since it uses less digits than its factorization.

103321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100852 (or 100847 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 103321025 is about 10164.6950273975. The cubic root of 103321025 is about 469.2413065013.

Adding to 103321025 its reverse (520123301), we get a palindrome (623444326).

The spelling of 103321025 in words is "one hundred three million, three hundred twenty-one thousand, twenty-five".