129058099 has 8 divisors (see below), whose sum is σ = 133289280. Its totient is φ = 124888896.

The previous prime is 129058081. The next prime is 129058133. The reversal of 129058099 is 990850921.

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 129058099 - 2⁹ = 129057587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129058019) 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, 11244 + ... + 19609.

It is an arithmetic number, because the mean of its divisors is an integer number (16661160).

Almost surely, 2^129058099 is an apocalyptic number.

129058099 is a deficient number, since it is larger than the sum of its proper divisors (4231181).

129058099 is an equidigital number, since it uses as much as digits as its factorization.

129058099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30989.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 129058099 is about 11360.3740695454. The cubic root of 129058099 is about 505.3532789267.

The spelling of 129058099 in words is "one hundred twenty-nine million, fifty-eight thousand, ninety-nine".