121214017 has 2 divisors, whose sum is σ = 121214018. Its totient is φ = 121214016.

The previous prime is 121214003. The next prime is 121214069. The reversal of 121214017 is 710412121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78127921 + 43086096 = 8839^2 + 6564^2 .

It is a cyclic number.

It is not a de Polignac number, because 121214017 - 2⁷ = 121213889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121213985 and 121214003.

It is not a weakly prime, because it can be changed into another prime (121214077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60607008 + 60607009.

It is an arithmetic number, because the mean of its divisors is an integer number (60607009).

Almost surely, 2^121214017 is an apocalyptic number.

It is an amenable number.

121214017 is a deficient number, since it is larger than the sum of its proper divisors (1).

121214017 is an equidigital number, since it uses as much as digits as its factorization.

121214017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 121214017 is about 11009.7237476696. The cubic root of 121214017 is about 494.9001832539.

Adding to 121214017 its reverse (710412121), we get a palindrome (831626138).

The spelling of 121214017 in words is "one hundred twenty-one million, two hundred fourteen thousand, seventeen".