9901159 has 2 divisors, whose sum is σ = 9901160. Its totient is φ = 9901158.

The previous prime is 9901141. The next prime is 9901187. The reversal of 9901159 is 9511099.

9901159 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9901159 - 2²¹ = 7804007 is a prime.

9901159 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9901139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4950579 + 4950580.

It is an arithmetic number, because the mean of its divisors is an integer number (4950580).

Almost surely, 2^9901159 is an apocalyptic number.

9901159 is a deficient number, since it is larger than the sum of its proper divisors (1).

9901159 is an equidigital number, since it uses as much as digits as its factorization.

9901159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 34.

The square root of 9901159 is about 3146.6107163105. The cubic root of 9901159 is about 214.7312958295.

The spelling of 9901159 in words is "nine million, nine hundred one thousand, one hundred fifty-nine".