9947101 has 2 divisors, whose sum is σ = 9947102. Its totient is φ = 9947100.

The previous prime is 9947071. The next prime is 9947123. The reversal of 9947101 is 1017499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 181476 = 3125^2 + 426^2 .

It is a cyclic number.

It is not a de Polignac number, because 9947101 - 2⁷ = 9946973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9947131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4973550 + 4973551.

It is an arithmetic number, because the mean of its divisors is an integer number (4973551).

Almost surely, 2^9947101 is an apocalyptic number.

It is an amenable number.

9947101 is a deficient number, since it is larger than the sum of its proper divisors (1).

9947101 is an equidigital number, since it uses as much as digits as its factorization.

9947101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 9947101 is about 3153.9025032490. The cubic root of 9947101 is about 215.0629056961.

The spelling of 9947101 in words is "nine million, nine hundred forty-seven thousand, one hundred one".