10091209127 has 2 divisors, whose sum is σ = 10091209128. Its totient is φ = 10091209126.

The previous prime is 10091209123. The next prime is 10091209201. The reversal of 10091209127 is 72190219001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10091209127 - 2² = 10091209123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10091209093 and 10091209102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10091209123) 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, 5045604563 + 5045604564.

It is an arithmetic number, because the mean of its divisors is an integer number (5045604564).

Almost surely, 2^10091209127 is an apocalyptic number.

10091209127 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091209127 is an equidigital number, since it uses as much as digits as its factorization.

10091209127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 10091209127 in words is "ten billion, ninety-one million, two hundred nine thousand, one hundred twenty-seven".