101296009 has 2 divisors, whose sum is σ = 101296010. Its totient is φ = 101296008.

The previous prime is 101296001. The next prime is 101296073. The reversal of 101296009 is 900692101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67980025 + 33315984 = 8245^2 + 5772^2 .

It is an emirp because it is prime and its reverse (900692101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101296009 - 2³ = 101296001 is a prime.

It is not a weakly prime, because it can be changed into another prime (101296001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50648004 + 50648005.

It is an arithmetic number, because the mean of its divisors is an integer number (50648005).

Almost surely, 2^101296009 is an apocalyptic number.

It is an amenable number.

101296009 is a deficient number, since it is larger than the sum of its proper divisors (1).

101296009 is an equidigital number, since it uses as much as digits as its factorization.

101296009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 101296009 is about 10064.5918446800. The cubic root of 101296009 is about 466.1554630593.

The spelling of 101296009 in words is "one hundred one million, two hundred ninety-six thousand, nine".