129244210 has 16 divisors (see below), whose sum is σ = 237029976. Its totient is φ = 50722048.

The previous prime is 129244169. The next prime is 129244231. The reversal of 129244210 is 12442921.

It can be written as a sum of positive squares in 4 ways, for example, as 117527281 + 11716929 = 10841^2 + 3423^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 121399 + ... + 122458.

Almost surely, 2^129244210 is an apocalyptic number.

129244210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129244210 is a deficient number, since it is larger than the sum of its proper divisors (107785766).

129244210 is a wasteful number, since it uses less digits than its factorization.

129244210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243917.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 129244210 is about 11368.5623541414. The cubic root of 129244210 is about 505.5960807635.

The spelling of 129244210 in words is "one hundred twenty-nine million, two hundred forty-four thousand, two hundred ten".