103225405 has 8 divisors (see below), whose sum is σ = 123951672. Its totient is φ = 82526208.

The previous prime is 103225399. The next prime is 103225427. The reversal of 103225405 is 504522301.

It can be written as a sum of positive squares in 4 ways, for example, as 1397124 + 101828281 = 1182^2 + 10091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103225405 - 2⁹ = 103224893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2877 + ... + 14653.

It is an arithmetic number, because the mean of its divisors is an integer number (15493959).

Almost surely, 2^103225405 is an apocalyptic number.

It is an amenable number.

103225405 is a deficient number, since it is larger than the sum of its proper divisors (20726267).

103225405 is a wasteful number, since it uses less digits than its factorization.

103225405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 103225405 is about 10159.9904035388. The cubic root of 103225405 is about 469.0965063429.

Adding to 103225405 its reverse (504522301), we get a palindrome (607747706).

The spelling of 103225405 in words is "one hundred three million, two hundred twenty-five thousand, four hundred five".