201229097 has 2 divisors, whose sum is σ = 201229098. Its totient is φ = 201229096.

The previous prime is 201229079. The next prime is 201229163. The reversal of 201229097 is 790922102.

Together with previous prime (201229079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188348176 + 12880921 = 13724^2 + 3589^2 .

It is a cyclic number.

It is not a de Polignac number, because 201229097 - 2¹⁰ = 201228073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201229027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100614548 + 100614549.

It is an arithmetic number, because the mean of its divisors is an integer number (100614549).

Almost surely, 2^201229097 is an apocalyptic number.

It is an amenable number.

201229097 is a deficient number, since it is larger than the sum of its proper divisors (1).

201229097 is an equidigital number, since it uses as much as digits as its factorization.

201229097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 201229097 is about 14185.5242060348. The cubic root of 201229097 is about 585.9990691005. Note that the first 3 decimals are identical.

The spelling of 201229097 in words is "two hundred one million, two hundred twenty-nine thousand, ninety-seven".