129104093 has 4 divisors (see below), whose sum is σ = 130659648. Its totient is φ = 127548540.

The previous prime is 129104089. The next prime is 129104099. The reversal of 129104093 is 390401921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 129104093 - 2² = 129104089 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 (129104099) 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, 777653 + ... + 777818.

It is an arithmetic number, because the mean of its divisors is an integer number (32664912).

Almost surely, 2^129104093 is an apocalyptic number.

It is an amenable number.

129104093 is a deficient number, since it is larger than the sum of its proper divisors (1555555).

129104093 is an equidigital number, since it uses as much as digits as its factorization.

129104093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555554.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 129104093 is about 11362.3982063647. The cubic root of 129104093 is about 505.4133047556.

The spelling of 129104093 in words is "one hundred twenty-nine million, one hundred four thousand, ninety-three".