26272129 has 4 divisors (see below), whose sum is σ = 28293076. Its totient is φ = 24251184.

The previous prime is 26272121. The next prime is 26272171. The reversal of 26272129 is 92127262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7436529 + 18835600 = 2727^2 + 4340^2 .

It is a cyclic number.

It is not a de Polignac number, because 26272129 - 2³ = 26272121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26272129.

It is not an unprimeable number, because it can be changed into a prime (26272121) 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, 1010454 + ... + 1010479.

It is an arithmetic number, because the mean of its divisors is an integer number (7073269).

Almost surely, 2^26272129 is an apocalyptic number.

It is an amenable number.

26272129 is a deficient number, since it is larger than the sum of its proper divisors (2020947).

26272129 is a wasteful number, since it uses less digits than its factorization.

26272129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020946.

The product of its digits is 6048, while the sum is 31.

The square root of 26272129 is about 5125.6344973086. The cubic root of 26272129 is about 297.2795872286.

The spelling of 26272129 in words is "twenty-six million, two hundred seventy-two thousand, one hundred twenty-nine".