101385091 has 2 divisors, whose sum is σ = 101385092. Its totient is φ = 101385090.

The previous prime is 101385061. The next prime is 101385103. The reversal of 101385091 is 190583101.

It is a strong prime.

It is an emirp because it is prime and its reverse (190583101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101385091 - 2⁷ = 101384963 is a prime.

It is not a weakly prime, because it can be changed into another prime (101385001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50692545 + 50692546.

It is an arithmetic number, because the mean of its divisors is an integer number (50692546).

Almost surely, 2^101385091 is an apocalyptic number.

101385091 is a deficient number, since it is larger than the sum of its proper divisors (1).

101385091 is an equidigital number, since it uses as much as digits as its factorization.

101385091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 101385091 is about 10069.0163869168. The cubic root of 101385091 is about 466.2920722384.

The spelling of 101385091 in words is "one hundred one million, three hundred eighty-five thousand, ninety-one".