26009129 has 8 divisors (see below), whose sum is σ = 26968032. Its totient is φ = 25065760.

The previous prime is 26009111. The next prime is 26009141. The reversal of 26009129 is 92190062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26009129 - 2²⁰ = 24960553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26009629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419 + ... + 7224.

It is an arithmetic number, because the mean of its divisors is an integer number (3371004).

Almost surely, 2^26009129 is an apocalyptic number.

It is an amenable number.

26009129 is a deficient number, since it is larger than the sum of its proper divisors (958903).

26009129 is an equidigital number, since it uses as much as digits as its factorization.

26009129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767.

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

The square root of 26009129 is about 5099.9146071282. The cubic root of 26009129 is about 296.2842753817.

The spelling of 26009129 in words is "twenty-six million, nine thousand, one hundred twenty-nine".