104043129 has 4 divisors (see below), whose sum is σ = 138724176. Its totient is φ = 69362084.

The previous prime is 104043127. The next prime is 104043131. The reversal of 104043129 is 921340401.

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 an interprime number because it is at equal distance from previous prime (104043127) and next prime (104043131).

It is a cyclic number.

It is not a de Polignac number, because 104043129 - 2¹ = 104043127 is a prime.

It is a super-2 number, since 2×104043129² = 21649945384221282, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104043099 and 104043108.

It is not an unprimeable number, because it can be changed into a prime (104043127) 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, 17340519 + ... + 17340524.

It is an arithmetic number, because the mean of its divisors is an integer number (34681044).

Almost surely, 2^104043129 is an apocalyptic number.

It is an amenable number.

104043129 is a deficient number, since it is larger than the sum of its proper divisors (34681047).

104043129 is an equidigital number, since it uses as much as digits as its factorization.

104043129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34681046.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 104043129 is about 10200.1533811997. The cubic root of 104043129 is about 470.3319354278.

The spelling of 104043129 in words is "one hundred four million, forty-three thousand, one hundred twenty-nine".