909090107 has 2 divisors, whose sum is σ = 909090108. Its totient is φ = 909090106.

The previous prime is 909090067. The next prime is 909090109. The reversal of 909090107 is 701090909.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 909090107 - 2⁶ = 909090043 is a prime.

Together with 909090109, 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 not a weakly prime, because it can be changed into another prime (909090109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454545053 + 454545054.

It is an arithmetic number, because the mean of its divisors is an integer number (454545054).

Almost surely, 2^909090107 is an apocalyptic number.

909090107 is a deficient number, since it is larger than the sum of its proper divisors (1).

909090107 is an equidigital number, since it uses as much as digits as its factorization.

909090107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 909090107 is about 30151.1211566005. The cubic root of 909090107 is about 968.7290212481.

The spelling of 909090107 in words is "nine hundred nine million, ninety thousand, one hundred seven".