129450363 has 16 divisors (see below), whose sum is σ = 207640320. Its totient is φ = 70078176.

The previous prime is 129450353. The next prime is 129450379. The reversal of 129450363 is 363054921.

It is not a de Polignac number, because 129450363 - 2⁵ = 129450331 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (129450313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161820 + ... + 162617.

It is an arithmetic number, because the mean of its divisors is an integer number (12977520).

Almost surely, 2^129450363 is an apocalyptic number.

129450363 is a deficient number, since it is larger than the sum of its proper divisors (78189957).

129450363 is a wasteful number, since it uses less digits than its factorization.

129450363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324466.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 129450363 is about 11377.6255431439. The cubic root of 129450363 is about 505.8647576089.

The spelling of 129450363 in words is "one hundred twenty-nine million, four hundred fifty thousand, three hundred sixty-three".