104927129 has 4 divisors (see below), whose sum is σ = 104951040. Its totient is φ = 104903220.

The previous prime is 104927117. The next prime is 104927143. The reversal of 104927129 is 921729401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 921729401 = 421 ⋅2189381.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104927129 is a prime.

It is a super-2 number, since 2×104927129² = 22019404800365282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104927029) 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, 3269 + ... + 14850.

It is an arithmetic number, because the mean of its divisors is an integer number (26237760).

Almost surely, 2^104927129 is an apocalyptic number.

It is an amenable number.

104927129 is a deficient number, since it is larger than the sum of its proper divisors (23911).

104927129 is an equidigital number, since it uses as much as digits as its factorization.

104927129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23910.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 104927129 is about 10243.3944081052. The cubic root of 104927129 is about 471.6602352893.

The spelling of 104927129 in words is "one hundred four million, nine hundred twenty-seven thousand, one hundred twenty-nine".