129804411 has 16 divisors (see below), whose sum is σ = 190644480. Its totient is φ = 77903520.

The previous prime is 129804397. The next prime is 129804413. The reversal of 129804411 is 114408921.

It is not a de Polignac number, because 129804411 - 2⁵ = 129804379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129804413) 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, 15696 + ... + 22493.

It is an arithmetic number, because the mean of its divisors is an integer number (11915280).

Almost surely, 2^129804411 is an apocalyptic number.

129804411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

129804411 is a deficient number, since it is larger than the sum of its proper divisors (60840069).

129804411 is a wasteful number, since it uses less digits than its factorization.

129804411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38306.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 129804411 is about 11393.1738773706. The cubic root of 129804411 is about 506.3255194761.

It can be divided in two parts, 12980 and 4411, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 129804411 in words is "one hundred twenty-nine million, eight hundred four thousand, four hundred eleven".