129304441 has 8 divisors (see below), whose sum is σ = 152543744. Its totient is φ = 107256960.

The previous prime is 129304433. The next prime is 129304457. The reversal of 129304441 is 144403921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129304441 - 2³ = 129304433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129302441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297720 + ... + 298153.

It is an arithmetic number, because the mean of its divisors is an integer number (19067968).

Almost surely, 2^129304441 is an apocalyptic number.

It is an amenable number.

129304441 is a deficient number, since it is larger than the sum of its proper divisors (23239303).

129304441 is an equidigital number, since it uses as much as digits as its factorization.

129304441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595911.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 129304441 is about 11371.2110612722. The cubic root of 129304441 is about 505.6746086609.

It can be divided in two parts, 12930 and 4441, that added together give a palindrome (17371).

The spelling of 129304441 in words is "one hundred twenty-nine million, three hundred four thousand, four hundred forty-one".