129083103 has 24 divisors (see below), whose sum is σ = 191146176. Its totient is φ = 83904000.

The previous prime is 129083083. The next prime is 129083111. The reversal of 129083103 is 301380921.

It is not a de Polignac number, because 129083103 - 2²⁰ = 128034527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129083113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169243 + ... + 170003.

It is an arithmetic number, because the mean of its divisors is an integer number (7964424).

Almost surely, 2^129083103 is an apocalyptic number.

129083103 is a deficient number, since it is larger than the sum of its proper divisors (62063073).

129083103 is a wasteful number, since it uses less digits than its factorization.

129083103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 129083103 is about 11361.4745081789. The cubic root of 129083103 is about 505.3859129045.

The spelling of 129083103 in words is "one hundred twenty-nine million, eighty-three thousand, one hundred three".