103255109 has 4 divisors (see below), whose sum is σ = 106815660. Its totient is φ = 99694560.

The previous prime is 103255081. The next prime is 103255129. The reversal of 103255109 is 901552301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59985025 + 43270084 = 7745^2 + 6578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103255109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103255129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780232 + ... + 1780289.

It is an arithmetic number, because the mean of its divisors is an integer number (26703915).

Almost surely, 2^103255109 is an apocalyptic number.

It is an amenable number.

103255109 is a deficient number, since it is larger than the sum of its proper divisors (3560551).

103255109 is an equidigital number, since it uses as much as digits as its factorization.

103255109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560550.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 103255109 is about 10161.4521107960. The cubic root of 103255109 is about 469.1414975486.

The spelling of 103255109 in words is "one hundred three million, two hundred fifty-five thousand, one hundred nine".