26122129 has 8 divisors (see below), whose sum is σ = 28533888. Its totient is φ = 23716560.

The previous prime is 26122079. The next prime is 26122141. The reversal of 26122129 is 92122162.

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

It is a cyclic number.

It is not a de Polignac number, because 26122129 - 2¹³ = 26113937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26122729) 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, 15559 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (3566736).

Almost surely, 2^26122129 is an apocalyptic number.

It is an amenable number.

26122129 is a deficient number, since it is larger than the sum of its proper divisors (2411759).

26122129 is a wasteful number, since it uses less digits than its factorization.

26122129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095.

The product of its digits is 864, while the sum is 25.

The square root of 26122129 is about 5110.9812169485. The cubic root of 26122129 is about 296.7127371676.

The spelling of 26122129 in words is "twenty-six million, one hundred twenty-two thousand, one hundred twenty-nine".