129033103 has 4 divisors (see below), whose sum is σ = 129098008. Its totient is φ = 128968200.

The previous prime is 129033101. The next prime is 129033133. The reversal of 129033103 is 301330921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301330921 = 2447 ⋅123143.

It is a cyclic number.

It is not a de Polignac number, because 129033103 - 2¹ = 129033101 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 (129033101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29373 + ... + 33478.

It is an arithmetic number, because the mean of its divisors is an integer number (32274502).

Almost surely, 2^129033103 is an apocalyptic number.

129033103 is a deficient number, since it is larger than the sum of its proper divisors (64905).

129033103 is an equidigital number, since it uses as much as digits as its factorization.

129033103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64904.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 129033103 is about 11359.2738764412. The cubic root of 129033103 is about 505.3206511767.

The spelling of 129033103 in words is "one hundred twenty-nine million, thirty-three thousand, one hundred three".