121706017 has 2 divisors, whose sum is σ = 121706018. Its totient is φ = 121706016.

The previous prime is 121705979. The next prime is 121706027. The reversal of 121706017 is 710607121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119771136 + 1934881 = 10944^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 121706017 - 2²³ = 113317409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121705982 and 121706000.

It is not a weakly prime, because it can be changed into another prime (121706027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60853008 + 60853009.

It is an arithmetic number, because the mean of its divisors is an integer number (60853009).

Almost surely, 2^121706017 is an apocalyptic number.

It is an amenable number.

121706017 is a deficient number, since it is larger than the sum of its proper divisors (1).

121706017 is an equidigital number, since it uses as much as digits as its factorization.

121706017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 121706017 is about 11032.0450053469. The cubic root of 121706017 is about 495.5688688263.

The spelling of 121706017 in words is "one hundred twenty-one million, seven hundred six thousand, seventeen".