121236229 has 2 divisors, whose sum is σ = 121236230. Its totient is φ = 121236228.

The previous prime is 121236223. The next prime is 121236233. The reversal of 121236229 is 922632121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121220100 + 16129 = 11010^2 + 127^2 .

It is an emirp because it is prime and its reverse (922632121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121236229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121236197 and 121236206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121236223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60618114 + 60618115.

It is an arithmetic number, because the mean of its divisors is an integer number (60618115).

Almost surely, 2^121236229 is an apocalyptic number.

It is an amenable number.

121236229 is a deficient number, since it is larger than the sum of its proper divisors (1).

121236229 is an equidigital number, since it uses as much as digits as its factorization.

121236229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 121236229 is about 11010.7324461182. The cubic root of 121236229 is about 494.9304109227.

The spelling of 121236229 in words is "one hundred twenty-one million, two hundred thirty-six thousand, two hundred twenty-nine".