129843001 has 8 divisors (see below), whose sum is σ = 130947264. Its totient is φ = 128742960.

The previous prime is 129842971. The next prime is 129843013. The reversal of 129843001 is 100348921.

It is a happy number.

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 129843001 - 2¹⁷ = 129711929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129843061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93331 + ... + 94711.

It is an arithmetic number, because the mean of its divisors is an integer number (16368408).

Almost surely, 2^129843001 is an apocalyptic number.

It is an amenable number.

129843001 is a deficient number, since it is larger than the sum of its proper divisors (1104263).

129843001 is a wasteful number, since it uses less digits than its factorization.

129843001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 129843001 is about 11394.8673094512. The cubic root of 129843001 is about 506.3756902566.

The spelling of 129843001 in words is "one hundred twenty-nine million, eight hundred forty-three thousand, one".