122436229 has 2 divisors, whose sum is σ = 122436230. Its totient is φ = 122436228.

The previous prime is 122436221. The next prime is 122436233. The reversal of 122436229 is 922634221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81450625 + 40985604 = 9025^2 + 6402^2 .

It is a cyclic number.

It is not a de Polignac number, because 122436229 - 2³ = 122436221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122436229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122436221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61218114 + 61218115.

It is an arithmetic number, because the mean of its divisors is an integer number (61218115).

Almost surely, 2^122436229 is an apocalyptic number.

It is an amenable number.

122436229 is a deficient number, since it is larger than the sum of its proper divisors (1).

122436229 is an equidigital number, since it uses as much as digits as its factorization.

122436229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 122436229 is about 11065.0905554360. The cubic root of 122436229 is about 496.5579982867.

The spelling of 122436229 in words is "one hundred twenty-two million, four hundred thirty-six thousand, two hundred twenty-nine".