26121125 has 16 divisors (see below), whose sum is σ = 32937840. Its totient is φ = 20680000.

The previous prime is 26121107. The next prime is 26121131. The reversal of 26121125 is 52112162.

It can be written as a sum of positive squares in 8 ways, for example, as 6041764 + 20079361 = 2458^2 + 4481^2 .

It is not a de Polignac number, because 26121125 - 2²⁰ = 25072549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26121097 and 26121106.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11591 + ... + 13659.

It is an arithmetic number, because the mean of its divisors is an integer number (2058615).

Almost surely, 2^26121125 is an apocalyptic number.

26121125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26121125 is a deficient number, since it is larger than the sum of its proper divisors (6816715).

26121125 is a wasteful number, since it uses less digits than its factorization.

26121125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2175 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 26121125 is about 5110.8829961172. The cubic root of 26121125 is about 296.7089357494.

Adding to 26121125 its reverse (52112162), we get a palindrome (78233287).

The spelling of 26121125 in words is "twenty-six million, one hundred twenty-one thousand, one hundred twenty-five".