1009848101 has 2 divisors, whose sum is σ = 1009848102. Its totient is φ = 1009848100.

The previous prime is 1009848089. The next prime is 1009848139. The reversal of 1009848101 is 1018489001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 834921025 + 174927076 = 28895^2 + 13226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009848101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009848401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504924050 + 504924051.

It is an arithmetic number, because the mean of its divisors is an integer number (504924051).

Almost surely, 2^1009848101 is an apocalyptic number.

It is an amenable number.

1009848101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009848101 is an equidigital number, since it uses as much as digits as its factorization.

1009848101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 1009848101 is about 31778.1072595584. The cubic root of 1009848101 is about 1003.2719827855.

The spelling of 1009848101 in words is "one billion, nine million, eight hundred forty-eight thousand, one hundred one".