103911025 has 6 divisors (see below), whose sum is σ = 128849702. Its totient is φ = 83128800.

The previous prime is 103911023. The next prime is 103911029. The reversal of 103911025 is 520119301.

It can be written as a sum of positive squares in 3 ways, for example, as 1354896 + 102556129 = 1164^2 + 10127^2 .

It is not a de Polignac number, because 103911025 - 2¹ = 103911023 is a prime.

It is a super-2 number, since 2×103911025² = 21595002233101250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103910987 and 103911005.

It is not an unprimeable number, because it can be changed into a prime (103911023) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2078196 + ... + 2078245.

Almost surely, 2^103911025 is an apocalyptic number.

It is an amenable number.

103911025 is a deficient number, since it is larger than the sum of its proper divisors (24938677).

103911025 is an equidigital number, since it uses as much as digits as its factorization.

103911025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156451 (or 4156446 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 103911025 is about 10193.6757354744. The cubic root of 103911025 is about 470.1327903044.

The spelling of 103911025 in words is "one hundred three million, nine hundred eleven thousand, twenty-five".