129294122 has 16 divisors (see below), whose sum is σ = 200952360. Its totient is φ = 62317248.

The previous prime is 129294119. The next prime is 129294157. The reversal of 129294122 is 221492921.

It can be written as a sum of positive squares in 4 ways, for example, as 120538441 + 8755681 = 10979^2 + 2959^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44828 + ... + 47624.

Almost surely, 2^129294122 is an apocalyptic number.

129294122 is a deficient number, since it is larger than the sum of its proper divisors (71658238).

129294122 is a wasteful number, since it uses less digits than its factorization.

129294122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its digits is 5184, while the sum is 32.

The square root of 129294122 is about 11370.7573186662. The cubic root of 129294122 is about 505.6611566994.

The spelling of 129294122 in words is "one hundred twenty-nine million, two hundred ninety-four thousand, one hundred twenty-two".