121318027 has 2 divisors, whose sum is σ = 121318028. Its totient is φ = 121318026.

The previous prime is 121318013. The next prime is 121318033. The reversal of 121318027 is 720813121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121318027 - 2¹¹ = 121315979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121317992 and 121318010.

It is not a weakly prime, because it can be changed into another prime (121318427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60659013 + 60659014.

It is an arithmetic number, because the mean of its divisors is an integer number (60659014).

Almost surely, 2^121318027 is an apocalyptic number.

121318027 is a deficient number, since it is larger than the sum of its proper divisors (1).

121318027 is an equidigital number, since it uses as much as digits as its factorization.

121318027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 121318027 is about 11014.4462865820. The cubic root of 121318027 is about 495.0416956341.

The spelling of 121318027 in words is "one hundred twenty-one million, three hundred eighteen thousand, twenty-seven".