129099103 has 8 divisors (see below), whose sum is σ = 147804800. Its totient is φ = 110459160.

The previous prime is 129099101. The next prime is 129099107. The reversal of 129099103 is 301990921.

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

It is not a de Polignac number, because 129099103 - 2¹ = 129099101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129099101) 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, 12153 + ... + 20146.

It is an arithmetic number, because the mean of its divisors is an integer number (18475600).

Almost surely, 2^129099103 is an apocalyptic number.

129099103 is a deficient number, since it is larger than the sum of its proper divisors (18705697).

129099103 is an equidigital number, since it uses as much as digits as its factorization.

129099103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32877.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 129099103 is about 11362.1786203175. The cubic root of 129099103 is about 505.4067930981.

The spelling of 129099103 in words is "one hundred twenty-nine million, ninety-nine thousand, one hundred three".