129225463 has 2 divisors, whose sum is σ = 129225464. Its totient is φ = 129225462.

The previous prime is 129225457. The next prime is 129225469. The reversal of 129225463 is 364522921.

It is a balanced prime because it is at equal distance from previous prime (129225457) and next prime (129225469).

It is a cyclic number.

It is not a de Polignac number, because 129225463 - 2⁹ = 129224951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129225469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64612731 + 64612732.

It is an arithmetic number, because the mean of its divisors is an integer number (64612732).

Almost surely, 2^129225463 is an apocalyptic number.

129225463 is a deficient number, since it is larger than the sum of its proper divisors (1).

129225463 is an equidigital number, since it uses as much as digits as its factorization.

129225463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 129225463 is about 11367.7378136549. The cubic root of 129225463 is about 505.5716338449.

The spelling of 129225463 in words is "one hundred twenty-nine million, two hundred twenty-five thousand, four hundred sixty-three".