9102001001 has 2 divisors, whose sum is σ = 9102001002. Its totient is φ = 9102001000.

The previous prime is 9102000997. The next prime is 9102001031. The reversal of 9102001001 is 1001002019.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5487105625 + 3614895376 = 74075^2 + 60124^2 .

It is a cyclic number.

It is not a de Polignac number, because 9102001001 - 2² = 9102000997 is a prime.

It is not a weakly prime, because it can be changed into another prime (9102001031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4551000500 + 4551000501.

It is an arithmetic number, because the mean of its divisors is an integer number (4551000501).

Almost surely, 2^9102001001 is an apocalyptic number.

It is an amenable number.

9102001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

9102001001 is an equidigital number, since it uses as much as digits as its factorization.

9102001001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 9102001001 is about 95404.4076602334. The cubic root of 9102001001 is about 2087.9124934121.

The spelling of 9102001001 in words is "nine billion, one hundred two million, one thousand, one".