103070909 has 2 divisors, whose sum is σ = 103070910. Its totient is φ = 103070908.

The previous prime is 103070893. The next prime is 103070911. The reversal of 103070909 is 909070301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67190809 + 35880100 = 8197^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 103070909 - 2⁴ = 103070893 is a prime.

It is a super-2 number, since 2×103070909² = 21247224564172562, which contains 22 as substring.

Together with 103070911, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103070969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51535454 + 51535455.

It is an arithmetic number, because the mean of its divisors is an integer number (51535455).

Almost surely, 2^103070909 is an apocalyptic number.

It is an amenable number.

103070909 is a deficient number, since it is larger than the sum of its proper divisors (1).

103070909 is an equidigital number, since it uses as much as digits as its factorization.

103070909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 103070909 is about 10152.3843997359. The cubic root of 103070909 is about 468.8623594593.

The spelling of 103070909 in words is "one hundred three million, seventy thousand, nine hundred nine".