101217029 has 2 divisors, whose sum is σ = 101217030. Its totient is φ = 101217028.

The previous prime is 101217013. The next prime is 101217059. The reversal of 101217029 is 920712101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81414529 + 19802500 = 9023^2 + 4450^2 .

It is a cyclic number.

It is not a de Polignac number, because 101217029 - 2⁴ = 101217013 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101216995 and 101217013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101217059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50608514 + 50608515.

It is an arithmetic number, because the mean of its divisors is an integer number (50608515).

Almost surely, 2^101217029 is an apocalyptic number.

It is an amenable number.

101217029 is a deficient number, since it is larger than the sum of its proper divisors (1).

101217029 is an equidigital number, since it uses as much as digits as its factorization.

101217029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 101217029 is about 10060.6674231882. The cubic root of 101217029 is about 466.0342785176.

The spelling of 101217029 in words is "one hundred one million, two hundred seventeen thousand, twenty-nine".