121171027 has 2 divisors, whose sum is σ = 121171028. Its totient is φ = 121171026.

The previous prime is 121171009. The next prime is 121171051. The reversal of 121171027 is 720171121.

It is a weak prime.

It is an emirp because it is prime and its reverse (720171121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121171027 - 2⁷ = 121170899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121170989 and 121171007.

It is not a weakly prime, because it can be changed into another prime (121171067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60585513 + 60585514.

It is an arithmetic number, because the mean of its divisors is an integer number (60585514).

Almost surely, 2^121171027 is an apocalyptic number.

121171027 is a deficient number, since it is larger than the sum of its proper divisors (1).

121171027 is an equidigital number, since it uses as much as digits as its factorization.

121171027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 22.

The square root of 121171027 is about 11007.7712094683. The cubic root of 121171027 is about 494.8416689139.

The spelling of 121171027 in words is "one hundred twenty-one million, one hundred seventy-one thousand, twenty-seven".